OpenTechnical

OT-2026-000031342

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000031342) never changes.

Identity and time

Publication numberOT-2026-000031342 · never reused
Internal UUID01a0ae74-87ac-7375-9344-d0c71caa2e46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031342
StatusPUBLIC

Content hashes

Canonical textb866b008690524cc3ffd4370191defef6cbb7c4742bf744c4a08a99fd8ad0a93
Markdownbeeca6f92bb45c6a29f26e3b832c390c1ccb47d33dc8964797169fb588137f98
PDF
Publication pageaefe88ba855932949edb8d1495e290d0fb45aeeccb00fb7757daa65c0e3e9dff
Manifest75c3ed09348518e6a7384d706a2c95082b27ea8249b36b7284ee93123f30ed4d

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
SignatureJfx4GDqnvmNTuwbikupuBA14bPTDeKcnP7uTxUsA1slICtbb1dvA6pEGTN8iTwfMZByczYyJbrfuc8CfXkE7DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:02.354903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031342
observed aefe88ba855932949edb8d1495e290d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.337585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031342/manifest.json
observed 75c3ed09348518e6a7384d706a2c9508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.304749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031342/publication.md
observed beeca6f92bb45c6a29f26e3b832c390c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.265655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031342/publication.txt
observed b866b008690524cc3ffd4370191defef...
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.