OpenTechnical

OT-2026-000073929

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000073929) never changes.

Identity and time

Publication numberOT-2026-000073929 · never reused
Internal UUID01a0ae93-2b8e-7dd3-be9d-8b78e39e012c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073929
StatusPUBLIC

Content hashes

Canonical text76a488fc9416567fc005d2a4c08dcbce8e8e2ebc72ba1f33147633dd2a1f5274
Markdownf036caa2d010f1bd6cb90a8ee6cb2cdc5e94dec97df94a8e50e9b17faa324926
PDF
Publication page8f6907e10a4a289eefcb85f7a401fe73a8a338062a5b67af69b244bced8f4728
Manifestfa6714e0026d78e855dd7eaed0a3c89370bd3a9cbcd65b7660036d6b9887b459

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
Signature/e+/Ps4i3Mk5BMcMpDA4KXxCF7rvhdNbvzp2DXud24MTIZxrhhk89W7oddZKNHxHvVjipg1qEZyVX65TR14kAA==
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

2026-09-17T10:20:12.633985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073929
observed 8f6907e10a4a289eefcb85f7a401fe73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.613511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073929/manifest.json
observed fa6714e0026d78e855dd7eaed0a3c893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.595177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073929/publication.md
observed f036caa2d010f1bd6cb90a8ee6cb2cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.575585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073929/publication.txt
observed 76a488fc9416567fc005d2a4c08dcbce...
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.