OpenTechnical

OT-2026-000075674

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000075674) never changes.

Identity and time

Publication numberOT-2026-000075674 · never reused
Internal UUID01a0ae94-29fd-7f19-97b3-e4a8c31f7bdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075674
StatusPUBLIC

Content hashes

Canonical text1d6bad9094275dcf2c09018825b2e6df8bd40c6b84d3b1b4be797dfcb9d13127
Markdown1e5926c7dd3a067b176d5f60eaf497189458b77906d2d8477e84d276b317a149
PDF
Publication page53bad8417014c03236a110020527fa34df78b54a873ec01a3675b222034c5c3c
Manifest18a857dc0ae44bcbf88130d8a8f5a6f4cef02952f79ab7a79b8c8127720c1910

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
Signature38YRPRJcNa9Z2qcbE8QO3qOmpF+l1IGSH8kPnLrcPs6b/rMirs2dnNZBvRSxJfW8Z6M1kDPLNf09wo/rAy8JBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:13:48.754442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075674
observed 53bad8417014c03236a110020527fa34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:47.733837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075674/manifest.json
observed 18a857dc0ae44bcbf88130d8a8f5a6f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:47.552785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075674/publication.md
observed 1e5926c7dd3a067b176d5f60eaf49718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:47.534808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075674/publication.txt
observed 1d6bad9094275dcf2c09018825b2e6df...
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.