OpenTechnical

OT-2026-000082640

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000082640) never changes.

Identity and time

Publication numberOT-2026-000082640 · never reused
Internal UUID01a0ae97-8cc8-721b-80ff-7179d50dce75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082640
StatusPUBLIC

Content hashes

Canonical text2409d3f196c41aae0f8cddce7f860ce11a367a5f597e1d768ec121f4137478d4
Markdowncc580b44e72b7283010e3ea261f685daf86146abbc280b19bef4a36b463b8462
PDF
Publication page586f5f790f7853d59321d4121ed3116d1b1e2ad9194fe90c8161a2ac010abf51
Manifestc457e8c65c33289503ca9ab28fa7487ebba13ef8b1cc2edf61efb8817ab836e4

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
SignatureQjbetcBrXQQv5Gqbi8wqr+xelDqQiKm/WI2WQkc3TFmykmgAlA7qSBCHkf4Sdv5K9ni+Y4YPN+9c2CESw3GbCw==
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

2026-09-17T09:58:11.864472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082640
observed 586f5f790f7853d59321d4121ed3116d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.848350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082640/manifest.json
observed c457e8c65c33289503ca9ab28fa7487e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.830562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082640/publication.md
observed cc580b44e72b7283010e3ea261f685da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.813569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082640/publication.txt
observed 2409d3f196c41aae0f8cddce7f860ce1...
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.