OpenTechnical

OT-2026-000029676

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained 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-2026-000029676) never changes.

Identity and time

Publication numberOT-2026-000029676 · never reused
Internal UUID01a0ae73-5e23-7739-b9b2-be5051d45740 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029676
StatusPUBLIC

Content hashes

Canonical text2003863e8a0f13ec46b14aa1fc6192022a749e5f6718caa63948b896ce43cf12
Markdown7fe7730b6d16d284f2e5e1754bff26a99b23c3a7881beb5927412255ebbfda27
PDF
Publication pageeb6e55d8e5e4447b57c9b48803bcaa302d6c0528fdfeaa80a50823c2bfd3fab4
Manifest558244e01b6fe0112012437682bfa948e88f24aaf2af5b3e5c194f6557802c3c

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
SignatureZ6fmzoZexUp8gQ4dmwmvoByIPZ8J9PsghCXse37SUQE+TW3jne9jpsxAPJmsd6pMedZyUEvaXDrDzehrdbQUDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:23.823186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029676
observed eb6e55d8e5e4447b57c9b48803bcaa30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.806090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029676/manifest.json
observed 558244e01b6fe0112012437682bfa948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.789374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029676/publication.md
observed 7fe7730b6d16d284f2e5e1754bff26a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.770603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029676/publication.txt
observed 2003863e8a0f13ec46b14aa1fc619202...
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.