OpenTechnical

OT-2026-000025067

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed 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-2026-000025067) never changes.

Identity and time

Publication numberOT-2026-000025067 · never reused
Internal UUID01a0ae71-2729-7224-b8d6-8600837c6db6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025067
StatusPUBLIC

Content hashes

Canonical text23fa4fb042a571c3a00a60531345162b8ba59546f61ae6b31d45f0b991dfeaa6
Markdown536e701d7a09d10a386fd47efb3a78b7d550b5efab9ec416484881ab7d9d1e10
PDF
Publication page944fa810afc7548bacd4e24d23e484d9011c2f9ad17c6985beb20fd486a50a7a
Manifeste1e6ebf9dcea298fd0fbd10a2f3351cabe3206172e16516751e882032a3bd8e2

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
SignatureCobh4xSDGZfqv6ccwLL4m26wOnssO0WF69uZpenSDwbFFZ3h8xFeE/M6INwsgx0RQqPj2NB1+LFjiRU/UPGUDA==
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

2026-09-17T11:48:28.728611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025067
observed 944fa810afc7548bacd4e24d23e484d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.711735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025067/manifest.json
observed e1e6ebf9dcea298fd0fbd10a2f3351ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.694298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025067/publication.md
observed 536e701d7a09d10a386fd47efb3a78b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.677663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025067/publication.txt
observed 23fa4fb042a571c3a00a60531345162b...
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.