OpenTechnical

OT-2026-000038872

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000038872) never changes.

Identity and time

Publication numberOT-2026-000038872 · never reused
Internal UUID01a0ae78-769f-755a-aaa9-322e1914f9c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038872
StatusPUBLIC

Content hashes

Canonical text450ac95a0df68592f8663c01049c0372be39f5f0bdede61d0b87062bc89e71ca
Markdownd3f30a45db0647cc67a40c87fe0051f7479c0bacbaa2f515f4534a11d083af2b
PDF
Publication page862e3ec34276a1b47518e268a653ce5f89a97ac01ac3e2451a9586de06be6479
Manifest9b0d446e834e86b831b742e8aefe3bd52f68127764643cf979d5083016e74cd0

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
Signaturefd4iTuWpmt24FmwUFILJRv4EviQVdDKeaKuwU7DDiZirBAXrSUYLUEIPBExe4niKWsYs68Gr8Qj9yha5e/c4BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-10-07T04:41:17.263535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038872
observed 862e3ec34276a1b47518e268a653ce5f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T04:41:17.206870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038872/manifest.json
observed 9b0d446e834e86b831b742e8aefe3bd5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T04:41:17.141081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038872/publication.md
observed d3f30a45db0647cc67a40c87fe0051f7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T04:41:17.067592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038872/publication.txt
observed 450ac95a0df68592f8663c01049c0372...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:21:27.056236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038872
observed 862e3ec34276a1b47518e268a653ce5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:27.036179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038872/manifest.json
observed 9b0d446e834e86b831b742e8aefe3bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:27.015729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038872/publication.md
observed d3f30a45db0647cc67a40c87fe0051f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:26.997886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038872/publication.txt
observed 450ac95a0df68592f8663c01049c0372...
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

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