OpenTechnical

OT-2026-000040910

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000040910) never changes.

Identity and time

Publication numberOT-2026-000040910 · never reused
Internal UUID01a0ae79-6d10-7d5f-ac83-532e6895d3e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040910
StatusPUBLIC

Content hashes

Canonical text124abd71cf08a5a71aeaccda182fe3e3c057d7b6d3603ee8b23564f3a35aa1d5
Markdown7dcbb384de3e3f6cb5fc3e3660f663197518960c96c1012071e3099e1f12fe5d
PDF
Publication page8a936d32edec40285f574dc61842916dcbaa9432d86d1c339d6d136d718a6b48
Manifest102d546ad8be3d988496033b5e98f62f856b72efca305c7a3e8d14c01bfdd34b

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
Signatured73S8oxPfiOWo+Ev7bhz/hkLGU7F9HhYLSwtre02CefldHgmEjy/Mbl/yjes0CM5spK1m9qEHLcf4Vih19JsDw==
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

2026-09-17T11:20:17.710666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040910
observed 8a936d32edec40285f574dc61842916d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:17.691634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040910/manifest.json
observed 102d546ad8be3d988496033b5e98f62f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:17.667771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040910/publication.md
observed 7dcbb384de3e3f6cb5fc3e3660f66319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:17.648067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040910/publication.txt
observed 124abd71cf08a5a71aeaccda182fe3e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:42.830201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040910
observed 8a936d32edec40285f574dc61842916d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:42.809431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040910/manifest.json
observed 102d546ad8be3d988496033b5e98f62f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:42.789945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040910/publication.md
observed 7dcbb384de3e3f6cb5fc3e3660f66319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:42.771661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040910/publication.txt
observed 124abd71cf08a5a71aeaccda182fe3e3...
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.