OpenTechnical

OT-2026-000071956

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000071956) never changes.

Identity and time

Publication numberOT-2026-000071956 · never reused
Internal UUID01a0ae92-47c0-7839-b82c-53e019a94d24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071956
StatusPUBLIC

Content hashes

Canonical textaa9bb6a7d85367313e3e9c39d6a6f636b5eded563a7fbdeba86c6ab1275cf63e
Markdown796183ba073f2d81f9bab1f44e0004819861d594171c6311b19ffd97f03f07c8
PDF
Publication pageb7c083f416dc5a19f90afa00887b3eb72e6dc49f73b0df2ceb786eb479b11fbd
Manifest01b417831742a929e0e78c766589fca0dabbc970696bf655c0b5753ac1bd225c

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
SignatureugFQ5Zq2NLZ3NhTj+sJdwhao/umg1ansK6+9HMNGiF9ySPH8uZ1OKC0f7zONyqjVbdvIya6LKf0pnEgYGqUMDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:59.671438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071956
observed b7c083f416dc5a19f90afa00887b3eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.654720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071956/manifest.json
observed 01b417831742a929e0e78c766589fca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.637135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071956/publication.md
observed 796183ba073f2d81f9bab1f44e000481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.619628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071956/publication.txt
observed aa9bb6a7d85367313e3e9c39d6a6f636...
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.