OpenTechnical

OT-2026-000023848

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000023848) never changes.

Identity and time

Publication numberOT-2026-000023848 · never reused
Internal UUID01a0ae70-aed5-7ac0-82f4-1a76363a066c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023848
StatusPUBLIC

Content hashes

Canonical text29c6eb9bc09dd0df637dca8eec292f957cc0cae6cb5e976a8b8eed56077b85bd
Markdown4ebb126309260dfbeca87b021a5aadb35c07c4f23411f46cc8b6c297223e3e75
PDF
Publication pageedea41209ab8515297ad1ba3888b6b2567d0c1790b3cb44ecc2fceb892396aff
Manifest152f16c1f2a66134e3467e626c8c4a72494edfe20c18e50034fa4b8370e3bd2b

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
SignatureC2dhY63mWyDZZUj8uqqQfyZ5l2MtmXz12FAlgmTxLKaL5g4ueyMnzk9+LSstMjZ6E/tJj4IBmy0FZRhhkoOZAw==
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

2026-09-17T11:50:20.675538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023848
observed edea41209ab8515297ad1ba3888b6b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:20.645326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023848/manifest.json
observed 152f16c1f2a66134e3467e626c8c4a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:20.618270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023848/publication.md
observed 4ebb126309260dfbeca87b021a5aadb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:20.598866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023848/publication.txt
observed 29c6eb9bc09dd0df637dca8eec292f95...
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.