OpenTechnical

OT-2026-000073372

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000073372) never changes.

Identity and time

Publication numberOT-2026-000073372 · never reused
Internal UUID01a0ae92-efb8-7d81-9b53-472da350e4f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073372
StatusPUBLIC

Content hashes

Canonical textcab4f72e88a0b67a7f9ed9e1466be6e9fa0bad0497fb7de58f0d10c2e2834172
Markdown99eae1e2f8457400cbb462bf9afca3494cbb6a5d64c9787900492a54a700c762
PDF
Publication pagecd51d5d892f931a0642fb2f6a5d7533a747859ed42b149a18ae0aab368b16096
Manifest2bd1e4e159663c0e5ab452f05eb731976a2edcc6c72c11e54f1ffd105f9a5001

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
Signature2NlyzddeKPlYcbo1rrgnMc/fHH/Refgd107Chbm684PDJveXj8EZIc4W6n5tCpxuYazhzoxZjrImCiU267r7DQ==
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

2026-09-17T10:21:24.468209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073372
observed cd51d5d892f931a0642fb2f6a5d7533a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.449394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073372/manifest.json
observed 2bd1e4e159663c0e5ab452f05eb73197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.428454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073372/publication.md
observed 99eae1e2f8457400cbb462bf9afca349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.408563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073372/publication.txt
observed cab4f72e88a0b67a7f9ed9e1466be6e9...
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.