OpenTechnical

OT-2026-000053346

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, vented before 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-2026-000053346) never changes.

Identity and time

Publication numberOT-2026-000053346 · never reused
Internal UUID01a0ae85-0a16-7ae8-a975-87276f793dbf · 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-2026-000053346
StatusPUBLIC

Content hashes

Canonical textf315b0892dccf15c3e302a1c95625f5642f0ac23cc0ee1344e5fdd9bfea1d41e
Markdownc223a66a9a0c72304a218ac33ac8fd3e7970cd8dfa156eedfb74e7076719db36
PDF
Publication page4c4c4098983099b27d93603aef8fdaad0ba3b6d68a4e0c4e56d742d1cd481980
Manifest14d7493c6901cc87c307cd60318b7d7bc9660ff0c2d630a2a43b20643df9d345

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
SignaturevOn2kZbG/i4u8B3Nabmlp45uI5bae04N6Uo704GPO2yTVZt7zj4vsTlc0pCbPdWF2tdbFmDmaquf0yRYbJGyBw==
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

2026-09-17T10:55:03.337469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053346
observed 4c4c4098983099b27d93603aef8fdaad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:03.319829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053346/manifest.json
observed 14d7493c6901cc87c307cd60318b7d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:03.301593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053346/publication.md
observed c223a66a9a0c72304a218ac33ac8fd3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:03.282664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053346/publication.txt
observed f315b0892dccf15c3e302a1c95625f56...
fetched by instance-3.rotem.ai from 34.69.0.72, 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

Custody packagePending Custody packages are produced weekly.