OpenTechnical

OT-2026-000053684

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000053684) never changes.

Identity and time

Publication numberOT-2026-000053684 · never reused
Internal UUID01a0ae85-0a96-7993-aa42-7bc1653fe66c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053684
StatusPUBLIC

Content hashes

Canonical text1cbf5ffb6ea21a295a8de05bc3259427b9ddc64d6a9d1d23d4c496faefc596ba
Markdownb6a3fbb10c8158e1a291460e36d37d4631fce09e4a86196ac7a520e5f6356789
PDF
Publication pageb6e4e56185896ff1a7e9a0d0611bc871927cf8e21f963f694e3b4f3c6ebc04e6
Manifest6df0a81599ad30d41e9f726ca6f0a1fefd7d3388821ff138f0234cd3b9a71718

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturemieNagY+T4Zwja4RoeJUavz+BzVDDpQhiq+S2aZusjxK9IXatPEIh+e9hdXaLtP5664IetJQikWJm8fs/mJCAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-11-05T08:42:10.490775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053684
observed b6e4e56185896ff1a7e9a0d0611bc871...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71
2026-11-05T08:42:10.438142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053684/manifest.json
observed 6df0a81599ad30d41e9f726ca6f0a1fe...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71
2026-11-05T08:42:10.384217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053684/publication.md
observed b6a3fbb10c8158e1a291460e36d37d46...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71
2026-11-05T08:42:10.286265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053684/publication.txt
observed 1cbf5ffb6ea21a295a8de05bc3259427...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71
2026-10-24T20:41:06.057253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053684
observed b6e4e56185896ff1a7e9a0d0611bc871...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T20:41:06.001402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053684/manifest.json
observed 6df0a81599ad30d41e9f726ca6f0a1fe...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T20:41:05.877142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053684/publication.md
observed b6a3fbb10c8158e1a291460e36d37d46...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T20:41:05.705970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053684/publication.txt
observed 1cbf5ffb6ea21a295a8de05bc3259427...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent