OpenTechnical

OT-2026-000089986

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089986) never changes.

Identity and time

Publication numberOT-2026-000089986 · never reused
Internal UUID01a0ae9c-428e-7003-b955-2f0feb407527 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089986
StatusPUBLIC

Content hashes

Canonical text4957c4a59421665ce2ea586c7bc3e245cf528547879af5ed04c2ee9f9abed6e9
Markdown3bbba7df77a4eb3fbc2d8485832047e107ddf13f424298a1a016efbe5488c47b
PDF
Publication page92cb9032e046f62e1186678028093849008b1ddb9c9bd7d5599bd38585618fee
Manifest0ff21ea8ad7d047357e997a331f019dd23a3377b8fc7e58c7bc378484e3cf571

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
Signatureiek5YVcLmX0hOHZwyL6N2UziiACzeJSiqFdZkNcSCFrn/K2b1ew5iWDeJmGDBns3JZ6a+ng0jplRs62vjIwjDA==
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

2026-09-17T09:45:22.563881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089986
observed 92cb9032e046f62e1186678028093849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.547027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089986/manifest.json
observed 0ff21ea8ad7d047357e997a331f019dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.531058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089986/publication.md
observed 3bbba7df77a4eb3fbc2d8485832047e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.513298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089986/publication.txt
observed 4957c4a59421665ce2ea586c7bc3e245...
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.