OpenTechnical

OT-2026-000073844

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000073844) never changes.

Identity and time

Publication numberOT-2026-000073844 · never reused
Internal UUID01a0ae93-2b8e-777c-829f-60ad6537ad35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073844
StatusPUBLIC

Content hashes

Canonical texta7c1016253a93e75707e8af37316516b2b747f2689f42a358693b9506dd426ef
Markdown7860a29aa534834f71ed767e7ca19cfd3bc1ebf884cc5e3e5feb2d73d75cba97
PDF
Publication pagefec2bf571bdc50392cbb5e43d34629d4ffb39449d14c5b077aef385d4bc3c4d2
Manifest40fda189d2fdd2bc294edcb974ad853a759ff9b20e311025f24a56251d252dd0

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
SignatureSgEeP7LDMCnllZIS7Fh3TGOWx7Ab++nb1Kj7Uq9bQ4jwpmU3NWZCD+7F0FWztIb6UcEBjYxuvpIh9mn9ITkJAw==
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

2026-09-17T10:19:58.700401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073844
observed fec2bf571bdc50392cbb5e43d34629d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.679547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073844/manifest.json
observed 40fda189d2fdd2bc294edcb974ad853a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.659997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073844/publication.md
observed 7860a29aa534834f71ed767e7ca19cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.639696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073844/publication.txt
observed a7c1016253a93e75707e8af37316516b...
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.