OpenTechnical

OT-2026-000071211

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000071211) never changes.

Identity and time

Publication numberOT-2026-000071211 · never reused
Internal UUID01a0ae91-e0ec-760f-8b37-58c2715d12d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071211
StatusPUBLIC

Content hashes

Canonical text3592433eed8f17c49f89f0454b6e09e5d674d232534097e0759f4abe115c87fc
Markdown2eb97d46e8ccb8741ac95eeffe0fe62f47007bbec58d100a19455811ebcbb848
PDF
Publication page56d508743bf8cfa2fd96d5f1287ee3d3039c63a9a8191ebc8905a8ea5896bdd1
Manifest7f6c25d83b5b29658e6353a38745edf9c6c3bd93a2e1114b35bd92a12149c6f6

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
SignatureNBPmgBFufRBs/b4zAJP6GVIp21kmppFw2NoVboZ/W2BAlksjpwC3u9J4U1e/37fluCT0xXUfI2NFyDEWpC4bBQ==
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

2026-09-17T10:24:44.529678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071211
observed 56d508743bf8cfa2fd96d5f1287ee3d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.511962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071211/manifest.json
observed 7f6c25d83b5b29658e6353a38745edf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.493693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071211/publication.md
observed 2eb97d46e8ccb8741ac95eeffe0fe62f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.476464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071211/publication.txt
observed 3592433eed8f17c49f89f0454b6e09e5...
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.