OpenTechnical

OT-2026-000079562

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented after 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-2026-000079562) never changes.

Identity and time

Publication numberOT-2026-000079562 · never reused
Internal UUID01a0ae96-0b92-7f8f-8be6-07abb6058f77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079562
StatusPUBLIC

Content hashes

Canonical text4118f1e05df7b1e46e01b73714d9fa68a5d04b2f9009d968c80d02d826427dfd
Markdowne3340ce12c03b4a310b592f796ddc950c6fc99c7db9def0c214728dcc2f789de
PDF
Publication pagec1f65df94f6a22d46e1f9546c5faf224965d1d7be44a2634a91cb009ad07462b
Manifest9417ef77c2eee37d5be0efb524aa9c4f1dcc18f306c5d570f3925e256d0e0f0f

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
SignaturezCIETA8pDL/dIl/QwQbLrylk/NMsYIWQ6HR/j3W9BsGMCRKoxwL0IP0X3A8I7pt9EueVor5N9CseiSZihVAnCQ==
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

2026-09-17T10:04:08.430455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079562
observed c1f65df94f6a22d46e1f9546c5faf224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.411803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079562/manifest.json
observed 9417ef77c2eee37d5be0efb524aa9c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.393026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079562/publication.md
observed e3340ce12c03b4a310b592f796ddc950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.374980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079562/publication.txt
observed 4118f1e05df7b1e46e01b73714d9fa68...
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.