OpenTechnical

OT-2026-000067556

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000067556) never changes.

Identity and time

Publication numberOT-2026-000067556 · never reused
Internal UUID01a0ae8f-6bda-756a-a9a2-3bafb82faea6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067556
StatusPUBLIC

Content hashes

Canonical texta8663564e48b82faf731cf4bf6181e6d67b6ff3f8ef7391eafb32d12b1c1bb68
Markdowncc768a97e0cd1ba77ced0cfcb349a404da398f26911d4d010ff86e9eba9a8252
PDF
Publication page627451a8e62d66977856d5dab0d6503da58249d522fd39b078d9fb98b4fcea0a
Manifestccede8dede8110fdc1ab9b9c84628fc262a420a29ecefd5e1dddf19c76b68de9

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
Signature4Bm/rQOopDk+BiV286Ka3pzh73d8UJ9cSxRFTXXOYoW+Jio0zf7FINO0lEiAI0WqiDSAgwv7wZM5YyA4CTIFDg==
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

2026-09-17T10:31:51.844802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067556
observed 627451a8e62d66977856d5dab0d6503d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:51.827016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067556/manifest.json
observed ccede8dede8110fdc1ab9b9c84628fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:51.811150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067556/publication.md
observed cc768a97e0cd1ba77ced0cfcb349a404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:51.793950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067556/publication.txt
observed a8663564e48b82faf731cf4bf6181e6d...
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.