OpenTechnical

OT-2026-000032370

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump 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-2026-000032370) never changes.

Identity and time

Publication numberOT-2026-000032370 · never reused
Internal UUID01a0ae75-106e-7693-a2eb-028a3918dbca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032370
StatusPUBLIC

Content hashes

Canonical text119f6e0128d610ac2d7d27312ea0be3e0fbd6d5469996180bcfbb4cd34722360
Markdowna4ae83f1b7a1452bedaab2c1c42e8674a24e7aa344a40ca96f2f2ebd8ee06d45
PDF
Publication page4b270cb81a6eb0d178f192ba53d16f95ca4b419f1ffa520648a475577688353e
Manifest39e2e9eb925b6341948f600c229679c0ff94b63c6b39996c5fd76c5558896378

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
Signature+Zf54brKKe20B8zKU0L59EtHlWhuaoJYtekkYu4P1sprUG9HfZCe9HkiIuvCJojgVwGK0WEp4cEPcu5sPQ7ZAw==
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

2026-09-17T11:33:46.413008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032370
observed 4b270cb81a6eb0d178f192ba53d16f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:46.390850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032370/manifest.json
observed 39e2e9eb925b6341948f600c229679c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:46.369760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032370/publication.md
observed a4ae83f1b7a1452bedaab2c1c42e8674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:46.348639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032370/publication.txt
observed 119f6e0128d610ac2d7d27312ea0be3e...
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.