OpenTechnical

OT-2026-000074940

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented before set-down

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-2026-000074940) never changes.

Identity and time

Publication numberOT-2026-000074940 · never reused
Internal UUID01a0ae93-ac2d-71ec-ae09-51e82a5c4e28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074940
StatusPUBLIC

Content hashes

Canonical text46d641fe5a4a059aa3bf0166374df0944b3df47ba19f19d1bc87a8de216193e3
Markdownd7fd42b68556a64ed7bc3936aa48a9a7feafeb1b659eb363402aa8e7b62af991
PDF
Publication pagea3dab47d71ae3f72494fc1f6dfcc059f74f28e5ddbc5f1b0cd3c147acddd9d85
Manifest54060316c902a9d9668a4e9e39ac5e728fc604908e6141e0bff94a8e36504d2c

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
SignatureXUoeF5V8OMAi4Ac/yR6CDENiAV80vobWCeqZ+Rkp/afArYD6deHyBoRPTW3EhOn3zPMOfynE2JKfi6jw50LTBg==
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

2026-09-17T10:18:40.201667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074940
observed a3dab47d71ae3f72494fc1f6dfcc059f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:40.184005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074940/manifest.json
observed 54060316c902a9d9668a4e9e39ac5e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:40.167856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074940/publication.md
observed d7fd42b68556a64ed7bc3936aa48a9a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:40.151630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074940/publication.txt
observed 46d641fe5a4a059aa3bf0166374df094...
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.