OpenTechnical

OT-2026-000074367

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold 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-2026-000074367) never changes.

Identity and time

Publication numberOT-2026-000074367 · never reused
Internal UUID01a0ae93-7179-7c2e-a498-94d65b286a38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074367
StatusPUBLIC

Content hashes

Canonical text52ef37331e5080f645c1aef971c5ed2e4cfeb3ab0d956066732d3f1684853c42
Markdownd68f8bef77159763e97fe37b8023410ff55eee6359225e99e9013a3be997eef8
PDF
Publication page2ae4e69bf141ba30e12dca1811e585a7117572945ca1d600110c685980642ee5
Manifest946c425e150adea4bc90ea5b3ae10512b09159d1da608a1c42dae0898e3ce94d

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
Signature17h2qTCrbBkZQOvHG443iPTDI3ArLZcPkY0IfxLQZxSkkmSP7vhU0P9DjZEW4Z19vLYmsz1NbJneXT3c9nt6Dw==
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

2026-09-17T10:19:17.699139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074367
observed 2ae4e69bf141ba30e12dca1811e585a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.681682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074367/manifest.json
observed 946c425e150adea4bc90ea5b3ae10512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.665883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074367/publication.md
observed d68f8bef77159763e97fe37b8023410f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.647685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074367/publication.txt
observed 52ef37331e5080f645c1aef971c5ed2e...
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.