OpenTechnical

OT-2026-000027237

Publication integrity record

Three cup vacuum gripper, three 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-2026-000027237) never changes.

Identity and time

Publication numberOT-2026-000027237 · never reused
Internal UUID01a0ae72-3454-7418-b87c-848f3f6b9ea6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027237
StatusPUBLIC

Content hashes

Canonical text647b0c19e4d2159d031213eed3910a21188ce32f6c5cf6ff3abf189fa63437e0
Markdown2e4ee48d5a82aab2d8aa9bd865fbdc756b19950d540dc61b0ec62efc3dfe9b9c
PDF
Publication pagec36a7df894ac26e3c982cd774df9665f5cef1cb31f1b579d70ee0fdb6d445280
Manifestc836fe7bd9a32e2c52a669364ad3d2901af8a4303e80afe77bee3054c5ec563d

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
Signatureulz7hGRo4dqE3bhHpKjsXOTJpoHM617Wa/ok4/S51h7IlVNaUVTEQDBSI22XBDTwK5G6Ovz4Q9+/igLvCghcBg==
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

2026-09-17T11:44:07.931091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027237
observed c36a7df894ac26e3c982cd774df9665f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.913746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027237/manifest.json
observed c836fe7bd9a32e2c52a669364ad3d290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.893803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027237/publication.md
observed 2e4ee48d5a82aab2d8aa9bd865fbdc75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.875608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027237/publication.txt
observed 647b0c19e4d2159d031213eed3910a21...
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.