OpenTechnical

OT-2026-000083691

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000083691) never changes.

Identity and time

Publication numberOT-2026-000083691 · never reused
Internal UUID01a0ae98-0416-7f1d-a12f-7ef65db11b63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083691
StatusPUBLIC

Content hashes

Canonical textbcc5951d12f8066cca9cfc231e94cbe03aacb476dd847bafbafadb01041148f9
Markdown43e578c4fcb7f572f05b47866ba39e920a7ebd0d4787bed2c528225093c3396a
PDF
Publication page01a9f7c985fbbb5c32047ab08a18ccb1466e39401843825c57a2469b6663a541
Manifesta41909f40ba631693d0ee238a31818a3d7f3317f276e2abc5a2e9ddd298ddc23

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
SignatureaMbh4y8WCD+v9BduHQ/Q5jcPtA6oil4G1z77V56WuIphP0cHyCg54oN1ZrvSNeK50Jl4xyw5/pvBBdPj1XHoAQ==
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

2026-09-17T09:57:19.100987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083691
observed 01a9f7c985fbbb5c32047ab08a18ccb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:19.083328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083691/manifest.json
observed a41909f40ba631693d0ee238a31818a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:19.066494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083691/publication.md
observed 43e578c4fcb7f572f05b47866ba39e92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:19.048741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083691/publication.txt
observed bcc5951d12f8066cca9cfc231e94cbe0...
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.