OpenTechnical

OT-2026-000080916

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000080916) never changes.

Identity and time

Publication numberOT-2026-000080916 · never reused
Internal UUID01a0ae96-b975-7aae-a55a-ef59b85b6c70 · 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-2026-000080916
StatusPUBLIC

Content hashes

Canonical textce393a0e787d84109c145528f23c0ff96e43d062967274ff3c1b82d04b3d8bdb
Markdowna7caa7c8e78104896ab6f83f0b37ffc86c1e7a035560cf13a36ca331e6fc661f
PDF
Publication pagec341ea0f66cab61188f9f8f7df7f8be7c083f50148ef95d46d07b88d10ce3564
Manifestd685f64f2514920027c50db834d73ba8e2b0a565e92ac84111b21b1972572ca0

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
Signature9zq+LMgshgHDftbHIUykxiufeQz445HepiuAN/eApUwaXAfkkXr5F15ZywWJp7aIGU4RVHlJMyNcLMW/v15LAw==
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

2026-09-17T10:02:07.101147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080916
observed c341ea0f66cab61188f9f8f7df7f8be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.083515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080916/manifest.json
observed d685f64f2514920027c50db834d73ba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.067196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080916/publication.md
observed a7caa7c8e78104896ab6f83f0b37ffc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.051978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080916/publication.txt
observed ce393a0e787d84109c145528f23c0ff9...
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.