OpenTechnical

OT-2026-000072776

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072776) never changes.

Identity and time

Publication numberOT-2026-000072776 · never reused
Internal UUID01a0ae92-89da-7889-83cc-804d7d11fce8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072776
StatusPUBLIC

Content hashes

Canonical text68ed2531dae2df99b8384babac34252b7a2df171043620c1a81d20bbe5ccb871
Markdown260e3c498547e4916440cbff638df17cad810e52442a8aef5a4264dec41c4e79
PDF
Publication page9dcabc41ab79c4e9d02add1ebcbdb9a59d8aed376b6bf90d297bd61ccf45f6f9
Manifest2f89aef53db07b61bf5f6e277c22bc84461927ccf5547b4f2cf9abad427e708c

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
SignatureakCJ/O7ZxomDSXlteZTeV08xvCl2rNkcVRZEQlktrOcgJNF6JCGgAlTc7H5FuqsJiZAyozIAtzdNHMlZZOWiBg==
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

2026-09-17T10:22:41.210103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072776
observed 9dcabc41ab79c4e9d02add1ebcbdb9a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.190547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072776/manifest.json
observed 2f89aef53db07b61bf5f6e277c22bc84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.171796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072776/publication.md
observed 260e3c498547e4916440cbff638df17c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.152788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072776/publication.txt
observed 68ed2531dae2df99b8384babac34252b...
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.