OpenTechnical

OT-2026-000008580

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000008580) never changes.

Identity and time

Publication numberOT-2026-000008580 · never reused
Internal UUID01a0ae6a-e46b-78ba-9a3c-17847599e564 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008580
StatusPUBLIC

Content hashes

Canonical text297a49cc10b841783e4f6fdae1da9d1327ed6f822f804d8a3f2bf694b0b93bbf
Markdowncb44b16e5e2fd995a11e898c0c8585baf0f64549e058d206e7f6e5d9b18717eb
PDF
Publication page5dd4e75b50927a7e35db6baf6f508dafa2658506b0be21a048c0012a01f2bfd5
Manifest0cae13965edcaffabf87e99a2147518e81f099312296b73af462b5b5899c792a

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
SignaturehxirwTC5n5DBi68uN1EMa48awLMfUzdBRK7ZC7bNLwpIcNuoiZwCwL1VBmHwLBqAVerbDTfnccoVG7IV2WhgDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:31.643288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008580
observed 5dd4e75b50927a7e35db6baf6f508daf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:31.623464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008580/manifest.json
observed 0cae13965edcaffabf87e99a2147518e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:31.604467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008580/publication.md
observed cb44b16e5e2fd995a11e898c0c8585ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:31.584579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008580/publication.txt
observed 297a49cc10b841783e4f6fdae1da9d13...
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.