OpenTechnical

OT-2026-000022383

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off before 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-2026-000022383) never changes.

Identity and time

Publication numberOT-2026-000022383 · never reused
Internal UUID01a0ae6f-f4fd-7dd7-a63b-3ad7e12db798 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022383
StatusPUBLIC

Content hashes

Canonical texte5452a0f56b667f64265702e3f72f5e1bba75d6f2a59871c30d8ad5dfb254ddd
Markdown59868930f862943733b308b18ababbff675ff4aaa85736ae5137413b837ba916
PDF
Publication page9b042deb470fa42a05708d4b2dd6df9f6952237d127bf3ba46ed9f698081c754
Manifest52b20bc3e1a440b1f4ebc0ee27ccb34006fa83c42c1217fbf4f7ced786ebfef3

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
Signaturea1Yoji47Fsq1QwntDYBxG7E8GAZ9ID/vsKBJQ5S5G30bR90NDUPzMUNymvkaNM6ecHcRm4vPCztflH+tOwxlBQ==
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

2026-09-17T11:53:45.583446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022383
observed 9b042deb470fa42a05708d4b2dd6df9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.564037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022383/manifest.json
observed 52b20bc3e1a440b1f4ebc0ee27ccb340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.545906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022383/publication.md
observed 59868930f862943733b308b18ababbff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.522173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022383/publication.txt
observed e5452a0f56b667f64265702e3f72f5e1...
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.