OpenTechnical

OT-2026-000089325

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000089325) never changes.

Identity and time

Publication numberOT-2026-000089325 · never reused
Internal UUID01a0ae9b-db01-7b35-9d81-e9e26354d87c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089325
StatusPUBLIC

Content hashes

Canonical text8178c31863095f318cef1cdabe240485b82b7173fba689309a28ea7e24667e5b
Markdowncbc30b3ac03de244a87f9d3cdab8d986f4503bac7cf55e9cea688dfda3b4ccbc
PDF
Publication page814bbc7915a39aa6513cf42b257cb7b11b374ac61522ad6bbeee4c9815f266d4
Manifest64008bb1cbfc390a37f6d4134f882253db3cfde62c8b8c3d6a73d63d1b468b2b

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
SignatureqrjLWUlQQNaxt4t+bbHsTn/hVubmExXuPaMalpOGFygr0EWE5eTsKG/7S+sIe+YlHmgCJxnMzqgvV0HT676pAg==
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

2026-09-17T09:47:22.649337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089325
observed 814bbc7915a39aa6513cf42b257cb7b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.631196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089325/manifest.json
observed 64008bb1cbfc390a37f6d4134f882253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.613780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089325/publication.md
observed cbc30b3ac03de244a87f9d3cdab8d986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.595280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089325/publication.txt
observed 8178c31863095f318cef1cdabe240485...
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.