OpenTechnical

OT-2026-000080352

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000080352) never changes.

Identity and time

Publication numberOT-2026-000080352 · never reused
Internal UUID01a0ae96-7e77-732e-aca8-32f876393fd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080352
StatusPUBLIC

Content hashes

Canonical textf7fa48b2598c7f494363aab0ea09c77bba5a7d43f530b35a53e784ea9cd2e338
Markdown60305e9bb97aa8fbd0f65c2720c1a1ac82ed191c3dd3a98d3c13eb6d32c6ad0c
PDF
Publication pagee35fcf9d456734fd5a370bf5f8b2eef756aea351cc4695e345340961974b6031
Manifestea2358099dc8b3e15286ade701c90e40e23d34a25a63e626528974fde88d5a75

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
SignatureiPaY1jleDsd3tdA1RynhWpC9qdlYNSixSCb01bZmlHRFrd4UOnzM1GhnQlITQgtp+wDwlXyP3ob+xHDzNX32BA==
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

2026-09-17T10:02:50.091843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080352
observed e35fcf9d456734fd5a370bf5f8b2eef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.074196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080352/manifest.json
observed ea2358099dc8b3e15286ade701c90e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.056523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080352/publication.md
observed 60305e9bb97aa8fbd0f65c2720c1a1ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.036874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080352/publication.txt
observed f7fa48b2598c7f494363aab0ea09c77b...
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.