OpenTechnical

OT-2026-000071396

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000071396) never changes.

Identity and time

Publication numberOT-2026-000071396 · never reused
Internal UUID01a0ae91-e0ed-706e-bbcb-43f4c5579582 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071396
StatusPUBLIC

Content hashes

Canonical text5804a646b847e05b224c02c4c0febc86dfb916c13f53ec5ae2c9ed5a8a4bdcf3
Markdown000613970337634e8574b73e0edb35770b7aadbb97c54d5e7d6281e5c921b6fc
PDF
Publication page3f18d0b9ccc6b7bccd49c632052a94c1587f36d92fd81cd1fbe535ae89866ce3
Manifest9d078dd1370fb2f8d25c3bbdc144ba3fbe45a30553187fb6b10ed735b16d0423

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
SignatureDMST4I4QKfKMEAugR32+yqVZ02P85xXazBySwCqZ5FPijP7xTClemUShzcIHh00DsD6mjjs6Od89o1TyjgBlBQ==
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

2026-09-17T10:25:01.189787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071396
observed 3f18d0b9ccc6b7bccd49c632052a94c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.172655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071396/manifest.json
observed 9d078dd1370fb2f8d25c3bbdc144ba3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.154564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071396/publication.md
observed 000613970337634e8574b73e0edb3577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.137744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071396/publication.txt
observed 5804a646b847e05b224c02c4c0febc86...
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.