OpenTechnical

OT-2026-000080902

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000080902) never changes.

Identity and time

Publication numberOT-2026-000080902 · never reused
Internal UUID01a0ae96-b975-76a5-bd6e-5ea81163cfb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080902
StatusPUBLIC

Content hashes

Canonical text24fd1b94597082d269d3ed2d0e67278ee002826852e30124494e1c2b11963672
Markdown63f13fe1f03a27ab09713aa9a9592f2a4e222fb21f1981d1d0a895699250ff69
PDF
Publication page3025ded989f7fc511d7ee4c2076ddce0379c8061ec5f8a1c662de80685975c09
Manifest8129558393352df4f963418b553445d678d3d49af2435e147e03836f736c98c3

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
Signaturez73F1ZI3/VCBMY6fUAlARtUms64Xe5BJupKsBDSpvoDr0Oo+LwdrMOpsqyyRsxAXkSIvHhwlLXDdTyRZyTRjCg==
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

2026-09-17T10:02:06.315477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080902
observed 3025ded989f7fc511d7ee4c2076ddce0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.299062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080902/manifest.json
observed 8129558393352df4f963418b553445d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.281814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080902/publication.md
observed 63f13fe1f03a27ab09713aa9a9592f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.263781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080902/publication.txt
observed 24fd1b94597082d269d3ed2d0e67278e...
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.