OpenTechnical

OT-2026-000077035

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000077035) never changes.

Identity and time

Publication numberOT-2026-000077035 · never reused
Internal UUID01a0ae94-b071-7f2f-8b98-2586d7832578 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077035
StatusPUBLIC

Content hashes

Canonical textc5a7c059d780f5f897f03e69420f0488ca0dafe9bdf543fb0ab00502155b4601
Markdown7f4ccdc63697f708a24d04b7ff9dfa9551977ef0a1ba42f4cee032342bf22f14
PDF
Publication page9804dc50c8131bd73555f413a94e29e86567b415fca9102502c860c2610c1a57
Manifestc22b13ac4a1b92d492c9e7adfa2d86f6b6f243511edb210d96a97a5cfddd7d16

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
Signature7BD9DdMeqMo+4XFFuDHMso10LrESVDt+xLJ62uXSHSjXA+GNxKZbG5FScKHacK8MKHYro88QGZnV6PAzFolWDA==
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

2026-09-17T10:10:27.518509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077035
observed 9804dc50c8131bd73555f413a94e29e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:27.498923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077035/manifest.json
observed c22b13ac4a1b92d492c9e7adfa2d86f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:27.476756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077035/publication.md
observed 7f4ccdc63697f708a24d04b7ff9dfa95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:27.456414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077035/publication.txt
observed c5a7c059d780f5f897f03e69420f0488...
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.