OpenTechnical

OT-2026-000084384

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000084384) never changes.

Identity and time

Publication numberOT-2026-000084384 · never reused
Internal UUID01a0ae98-5b62-7c64-84b5-67db743e679c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084384
StatusPUBLIC

Content hashes

Canonical text5e4e7c1c4bd6411aeb685ec9b74bf0fddac6c23ec0099caae00e11c2594e2688
Markdownb743e4ac9f7666f6042a5dd41fff250076952c80a1cdb7a4914d6026e7ffef35
PDF
Publication page04812341ba8aba37523e26772e515eedc0039968d6f62a5b6e5636eeffb51551
Manifest364138550e15211bec77fbaa74eb3a4ac4b2dc4ee6d1baf86a885eaec460fc88

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
SignatureijJtRtdR3PysWGj2yugwhaDiPTOs0fwzGRtAzNXkBHlsYZ4R1TjimQX/k5qr4buSwCqFX5gjkLt85d/NEKwUBg==
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

2026-09-17T09:56:19.516655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084384
observed 04812341ba8aba37523e26772e515eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.499992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084384/manifest.json
observed 364138550e15211bec77fbaa74eb3a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.483454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084384/publication.md
observed b743e4ac9f7666f6042a5dd41fff2500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.460736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084384/publication.txt
observed 5e4e7c1c4bd6411aeb685ec9b74bf0fd...
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.