OpenTechnical

OT-2026-000074527

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000074527) never changes.

Identity and time

Publication numberOT-2026-000074527 · never reused
Internal UUID01a0ae93-717b-7e7c-a8d2-be1b6c93efcb · 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-2026-000074527
StatusPUBLIC

Content hashes

Canonical text8e32d0dcccee091be524096ba9aba23371fc8dcb9df7832695b1af752967b0f2
Markdownb7fc670be877f9c3aa66e5eea08ef19313903867d0f39852b57a22626113d631
PDF
Publication page96c9507166b0ade2d0fcaa458e6685b67cf8d7178b70f17fd3c455d1764d5192
Manifesta795fa3baeffbd78c208544db6bae76be475bd4a398ccdd6cc32bba670cc2888

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
SignatureYBjEDCByOePDltI98L9vgdzJpI2ihHVRa3IkRq4brkX+9fK6lhZOIQxYIawvXNG4ZuywKhkqHkbHP0F70/H5Aw==
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

2026-09-17T10:19:30.384110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074527
observed 96c9507166b0ade2d0fcaa458e6685b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:30.367108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074527/manifest.json
observed a795fa3baeffbd78c208544db6bae76b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:30.349390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074527/publication.md
observed b7fc670be877f9c3aa66e5eea08ef193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:30.331444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074527/publication.txt
observed 8e32d0dcccee091be524096ba9aba233...
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.