OpenTechnical

OT-2026-000068521

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000068521) never changes.

Identity and time

Publication numberOT-2026-000068521 · never reused
Internal UUID01a0ae90-2482-78d9-91ba-9bb2033ec509 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068521
StatusPUBLIC

Content hashes

Canonical text72a291b5bec1651509ebb7961dce6154a6b13271814175eb9589e7a8949b361c
Markdownebc6fac36517df016c52c6a3ece56c522b3771774808841419a2fb4cd9dd44b4
PDF
Publication page3fb533e0896581ee1ae67ff971583351573b88847856334ff8cee5a99cb02feb
Manifesta7123899fc4d0c541be651eb9c189911a4b1a7a748bb575ec3a864320bed533d

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
SignatureHhXcHL+VjsRhCHaAP1wChPqHjqLj1jKjDS5yDvqeFSKViEDaWBTYQleXUQBAIVn/xBb3KcaD0VuKFASPKBg2Bw==
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

2026-09-17T10:29:40.872409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068521
observed 3fb533e0896581ee1ae67ff971583351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.855179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068521/manifest.json
observed a7123899fc4d0c541be651eb9c189911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.837856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068521/publication.md
observed ebc6fac36517df016c52c6a3ece56c52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.818722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068521/publication.txt
observed 72a291b5bec1651509ebb7961dce6154...
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.