OpenTechnical

OT-2026-000055537

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000055537) never changes.

Identity and time

Publication numberOT-2026-000055537 · never reused
Internal UUID01a0ae86-a102-7888-8767-198a4ed137bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055537
StatusPUBLIC

Content hashes

Canonical text41e3f83a975948f32bf5551907b326a5a7f9f27171b1f1d60b032b8925f81a27
Markdown6d397b45cd18fbaf1404a40625e2c38d4109e9d5fbfdaa04554313c710a82bbd
PDF
Publication page46cb86989239f4fb65018d37def732a01438c23d02337085865b78cd3af17019
Manifest4c970a6ec3474028d999ef42ec04b7b2f2e7197645204bdbb1b886322dca0422

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
SignaturermOMmBnkB2TYb3szT/n8WDnBJU5szEvdmVlDMlNqJRRT49jH1nuLU4QQvRv7FePDRZ2bvbuEv62Eo5OL//g3AA==
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

2026-09-17T10:52:45.178439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055537
observed 46cb86989239f4fb65018d37def732a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.161134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055537/manifest.json
observed 4c970a6ec3474028d999ef42ec04b7b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.142421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055537/publication.md
observed 6d397b45cd18fbaf1404a40625e2c38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.125924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055537/publication.txt
observed 41e3f83a975948f32bf5551907b326a5...
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.