OpenTechnical

OT-2026-000064247

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two 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-2026-000064247) never changes.

Identity and time

Publication numberOT-2026-000064247 · never reused
Internal UUID01a0ae8d-a460-7787-9baf-cef4d7e218c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064247
StatusPUBLIC

Content hashes

Canonical text83baec08187f6ca71625f70154785838f25eb7504a9afd996772d1e0c06d6cdc
Markdown1e8b845acd549c094a08cf26c625b5d7fc91f897b95eb38bcb80edf05aa022b1
PDF
Publication page189f0a59c83e8023a8edb2bdccbfd5439accf39a8bd9f8f6bb6bd2f9be6d1939
Manifestcddf517485c1da2561e08d7c774e8fcf03f0532865732b02ef9055d5d5f67509

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
SignatureE5dfh0u2elKzpAbLfxR/zljAlQblG/neKIMf4eh6c4gHPb7p9HY3oo5PL7QVCs3BHzmw+dwPO3X9f1mR3muqAA==
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

2026-09-17T10:36:22.637750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064247
observed 189f0a59c83e8023a8edb2bdccbfd543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.619973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064247/manifest.json
observed cddf517485c1da2561e08d7c774e8fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.602454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064247/publication.md
observed 1e8b845acd549c094a08cf26c625b5d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.580134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064247/publication.txt
observed 83baec08187f6ca71625f70154785838...
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.