OpenTechnical

OT-2026-000079438

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000079438) never changes.

Identity and time

Publication numberOT-2026-000079438 · never reused
Internal UUID01a0ae96-0b91-7133-960c-3620df075938 · 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-2026-000079438
StatusPUBLIC

Content hashes

Canonical text2652f2ac4b0dc8325b2ea78a1244dd0fa7a540c53c1d279c963d7c9d57305b5c
Markdowncb9d01f5e5e2de83d07807518b76b26de729a6cfa57a39dabd0c8522cd879c8e
PDF
Publication page378039adf548304339ed17aec7fa5332bede68a043ab9b4fd771862fe8ce6321
Manifestf7ddaee8f0521af55caf06295a5ebfdee71b6da76ddccb935234b632e8e598bb

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
SignaturePqYuaeCvCn4qrkf4XkmpnUVyqUXIjX3WEh/2Mz5irB3DsH16lKNXbNaFWMoe+MWfpUhwec/9znNss/a4tGuLAQ==
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

2026-09-17T10:05:03.748312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079438
observed 378039adf548304339ed17aec7fa5332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.732317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079438/manifest.json
observed f7ddaee8f0521af55caf06295a5ebfde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.713534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079438/publication.md
observed cb9d01f5e5e2de83d07807518b76b26d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.695845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079438/publication.txt
observed 2652f2ac4b0dc8325b2ea78a1244dd0f...
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.