OpenTechnical

OT-2026-000089127

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000089127) never changes.

Identity and time

Publication numberOT-2026-000089127 · never reused
Internal UUID01a0ae9b-db00-7935-8365-9d2f47bd6384 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089127
StatusPUBLIC

Content hashes

Canonical text84b5a6defcf6548be65f9f9918f3a50485955012d15cdb482d7bca05ecb2804b
Markdown3288ab348cf847a6f063486f7517d606fdf7299873c1288e7e856aef8d81b50a
PDF
Publication page297140c20adb5c63ff729c33a20f1d02a29641cf5860f92a551912baed2387f1
Manifestf3c5cb4be5cac4bd617d7968faaf2003c64debb299537c5d4e6e0abd3fe86c13

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
SignaturegTJG43R11NatORe93ipt9mgzQOQemTRse5wCAAiSkjPOZH8GFTWIHF8ouCw9GNp/R24rFUQBA/p5Xa3+BFL7Cw==
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

2026-09-17T09:47:02.535358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089127
observed 297140c20adb5c63ff729c33a20f1d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.518204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089127/manifest.json
observed f3c5cb4be5cac4bd617d7968faaf2003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.499236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089127/publication.md
observed 3288ab348cf847a6f063486f7517d606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.480117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089127/publication.txt
observed 84b5a6defcf6548be65f9f9918f3a504...
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.