OpenTechnical

OT-2026-000071245

Publication integrity record

Two 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-2026-000071245) never changes.

Identity and time

Publication numberOT-2026-000071245 · never reused
Internal UUID01a0ae91-e0ec-7365-b1ea-6464fbb3ff6e · 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-2026-000071245
StatusPUBLIC

Content hashes

Canonical text288a94b1fe2349c4e7355c6f2e6bff3871207a70ea0aabc6bd607364b81a65d6
Markdownc7e263e54417544f706c77e70f3a40ea7c3cd01a7a830b86465585c274d67874
PDF
Publication page51c38aa5c9b7c25c998c01146721521346c0e0961e1b9373ce7304a098a7e91d
Manifestdfd742261f16dc4a23349541713610f81577d3b548dfcd7944529dc58e0f3041

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
SignatureBx7wx9EoFFjJjMOJZgGUuuTzOq28J6WDmXMrOfImO/UhpNgwkdxfQuyjbeVRdeGpVWXlZYPjeNF3seEPXGOdAw==
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

2026-09-17T10:24:47.816682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071245
observed 51c38aa5c9b7c25c998c011467215213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.797673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071245/manifest.json
observed dfd742261f16dc4a23349541713610f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.780360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071245/publication.md
observed c7e263e54417544f706c77e70f3a40ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.757336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071245/publication.txt
observed 288a94b1fe2349c4e7355c6f2e6bff38...
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.