OpenTechnical

OT-2026-000008387

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000008387) never changes.

Identity and time

Publication numberOT-2026-000008387 · never reused
Internal UUID01a0ae6a-e469-71e2-8ff3-ee3829e57d82 · 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-2026-000008387
StatusPUBLIC

Content hashes

Canonical text8574f52b51de6677a03af1febdda471c77015da5b8fef60bcae1a2571cfaa2e3
Markdown13112fab22d361784096b187824fc5cd56b754bc8e100fe5930b633a7392dee5
PDF
Publication page43aee7c68d4d306fcd080cb01a5b94e1a2cedcc436fb5622940c0d507c5d1c92
Manifest298c1ddd8d604a82791b0944d5c88ff3020aa0166f8185209e5325e7a4a59f65

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
SignatureJeYRH8cdv8bBNlRRIbh63PDCwR7ywIglsfijTixlm8KVLCtw6CR79HSMKFNqiIN4+VNLOY6jS1KwypjvX1ULCw==
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

2026-09-17T12:18:13.258556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008387
observed 43aee7c68d4d306fcd080cb01a5b94e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:13.240413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008387/manifest.json
observed 298c1ddd8d604a82791b0944d5c88ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:13.221509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008387/publication.md
observed 13112fab22d361784096b187824fc5cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:13.201463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008387/publication.txt
observed 8574f52b51de6677a03af1febdda471c...
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.