OpenTechnical

OT-2026-000029153

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000029153) never changes.

Identity and time

Publication numberOT-2026-000029153 · never reused
Internal UUID01a0ae73-2aa0-7b30-ab07-5a0596ceaf57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029153
StatusPUBLIC

Content hashes

Canonical text1063edfd5621ad25a7471015b84a740f8fb69a0f4bfb4a329c57c1acfbaa0631
Markdown574e51dfade63bc75945a68114d7ce643d42d7a2c3f01abcb9673b906d0f0803
PDF
Publication page6ce85ca18cffd6b6a59b1d77cd66c952c6cb97fe9147525333b01e4f76810ce0
Manifestb64e6826fe00c4f83c45b90accd78d964ed932a43b9ffab868ec574fe2b7baf3

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
Signatureh6m//AMKDrG2AJVl6R01UucWy5hCGUiWiSg1DbkzJJ6Dgumyr3+0JS3OBmtHJ1PGMPrx/abFA7FjSLCC9G0vCg==
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

2026-09-17T11:39:38.663540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029153
observed 6ce85ca18cffd6b6a59b1d77cd66c952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.644511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029153/manifest.json
observed b64e6826fe00c4f83c45b90accd78d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.624811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029153/publication.md
observed 574e51dfade63bc75945a68114d7ce64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.602774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029153/publication.txt
observed 1063edfd5621ad25a7471015b84a740f...
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.