OpenTechnical

OT-2026-000077575

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000077575) never changes.

Identity and time

Publication numberOT-2026-000077575 · never reused
Internal UUID01a0ae95-2ece-76a4-9057-4d3f2c5b063d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077575
StatusPUBLIC

Content hashes

Canonical texteea5d88c339a744624c734ecd36bb191245e324c2bd64569ff1228e35d722524
Markdown08fdea3deb3d74bdcd42a477ed5dbf6e2819c64efa425dae4df8b628a499f06f
PDF
Publication page4e7ce9b4b0746421d5bd39d144c460dc05bbd745beda4205ff511dab95cfb2d1
Manifest87e864c4ae1ae4d5e874ef076f01c0b19f2c0ee5c1900433b00793139d17c33a

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
Signature2TcEHJOrMKT7P1gPmAYuTwQ++RZcEDnE7uzAIq4jzEAinlgat51HQfYEUIYHH6CrAO4F4/uch7O2F0sEFzI9AQ==
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

2026-09-17T10:07:03.340942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077575
observed 4e7ce9b4b0746421d5bd39d144c460dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:03.323675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077575/manifest.json
observed 87e864c4ae1ae4d5e874ef076f01c0b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:03.299637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077575/publication.md
observed 08fdea3deb3d74bdcd42a477ed5dbf6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:03.279237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077575/publication.txt
observed eea5d88c339a744624c734ecd36bb191...
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.