OpenTechnical

OT-2026-000079697

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump 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-2026-000079697) never changes.

Identity and time

Publication numberOT-2026-000079697 · never reused
Internal UUID01a0ae96-4375-7015-acb3-7c7e26524244 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079697
StatusPUBLIC

Content hashes

Canonical text1c34b08f16676d220a7519314efc62460c4a10542d768128ae716f25861c98b6
Markdowna6dbf99e9009341897ff1dad2f4d916b622168ad534f63fcb1eb306430c72156
PDF
Publication pagebe8706337c39168f027b3cd794b5f899559511014c514d4e010df7ff0504fcaf
Manifestdf0b4558efc7c248bd87e73b2a82ffaddc30ff4855dba3cc6f77276951bc27c0

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
SignaturewI2K6e/d0XsN0a8YWftXYWWt+RkUjDa/ZliA3RmqZGZIXtVgnTfkjKz7uVvtV6OSo3a+KL//hqxpc+EWY9K1DA==
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

2026-09-17T10:03:28.223262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079697
observed be8706337c39168f027b3cd794b5f899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.205630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079697/manifest.json
observed df0b4558efc7c248bd87e73b2a82ffad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.188496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079697/publication.md
observed a6dbf99e9009341897ff1dad2f4d916b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.171516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079697/publication.txt
observed 1c34b08f16676d220a7519314efc6246...
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.