OpenTechnical

OT-2026-000050450

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000050450) never changes.

Identity and time

Publication numberOT-2026-000050450 · never reused
Internal UUID01a0ae82-5c48-7a53-aff6-5c02fa9d0ecf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050450
StatusPUBLIC

Content hashes

Canonical text464ebd3d5595cf8f90f41bf35ce97ae3668d45928c9966b68f5a31386900b86b
Markdownd786e8d927684e306f8036fe6690a57ab98fe661db3e86b24c81325643674698
PDF
Publication page349e7569e783e90dcd15810b1b713471f26cd668dd455ac359c9bb6aee76b073
Manifest31b706796138011cbd12151ea4da19215f82064e009fa1d0f7e54b14766adafc

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
SignatureQNsxpl5uInbpESW/wj9KXOf2RZjaRLV6OwFXsw+3YWi4WDXLE2y+E8GjWx2E2KsLffzrnzki80B+paV/87AZAQ==
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

2026-09-17T11:01:29.969952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050450
observed 349e7569e783e90dcd15810b1b713471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.952902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050450/manifest.json
observed 31b706796138011cbd12151ea4da1921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.936112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050450/publication.md
observed d786e8d927684e306f8036fe6690a57a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.919781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050450/publication.txt
observed 464ebd3d5595cf8f90f41bf35ce97ae3...
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.