OpenTechnical

OT-2026-000038628

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000038628) never changes.

Identity and time

Publication numberOT-2026-000038628 · never reused
Internal UUID01a0ae78-2d54-7d81-bba3-376d6c23ceb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038628
StatusPUBLIC

Content hashes

Canonical text68bb35a2632816ac1313bab2ca8f2f24b1ecb935492f51caf60b6ba103f4cfbe
Markdown9e4cae01fe0a93a72968c252ca2a15f53aa7222f2687ea94f10e8c9075aa5031
PDF
Publication pageac8002073142aaacb68dab59ae2ca981e57bd7190e83fda33436f2c885857e7a
Manifest57436ff0eb2193acd838dfc3a066dc89bf778423de0018efc7ba91604815ef47

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
Signature3ZFjOLT9nbtniJDc0Cby4ocObRvKhrzs5wrsDIqD7a4/3KX2TCivSRXCQakdClKqi8sjfKVZyOAqtz/Twa7tDw==
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

2026-09-17T11:22:55.585363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038628
observed ac8002073142aaacb68dab59ae2ca981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.567045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038628/manifest.json
observed 57436ff0eb2193acd838dfc3a066dc89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.548598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038628/publication.md
observed 9e4cae01fe0a93a72968c252ca2a15f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.528045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038628/publication.txt
observed 68bb35a2632816ac1313bab2ca8f2f24...
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.