OpenTechnical

OT-2026-000067173

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000067173) never changes.

Identity and time

Publication numberOT-2026-000067173 · never reused
Internal UUID01a0ae8f-14ff-75c9-8b17-cd96bb584323 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067173
StatusPUBLIC

Content hashes

Canonical text4bfd01c8ce1c132d7382e69ea0c74c90e90c8bc62c832beb33d2a343b35eed78
Markdown56414f33a0d0e57a31c01b8f63b164be9c150ad9ccda344a7db055ecf3e76c5f
PDF
Publication pagef189577ccf249bb2289fa04360f7622167e68b40d6418484fcdab2d2bcad2517
Manifestb94a856c7fcb0a8f203faedc100f2ae0e4e69d82f1c487be6eddf89ae64a6ada

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
SignaturevTbWTQRm3G38X1LVYIAUFu4BRvN9EJ3NKP7Lg0B7PsIG5jueGMM1eA+002NdQQVoejQneqFQJqaYqR5lQKDGAw==
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

2026-09-17T10:32:27.318032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067173
observed f189577ccf249bb2289fa04360f76221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.301359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067173/manifest.json
observed b94a856c7fcb0a8f203faedc100f2ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.285004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067173/publication.md
observed 56414f33a0d0e57a31c01b8f63b164be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.268511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067173/publication.txt
observed 4bfd01c8ce1c132d7382e69ea0c74c90...
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.