OpenTechnical

OT-2026-000072245

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000072245) never changes.

Identity and time

Publication numberOT-2026-000072245 · never reused
Internal UUID01a0ae92-47c2-7a5c-8392-459155f09746 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072245
StatusPUBLIC

Content hashes

Canonical text6a80a06062aced97d06fdbd0c62f99bd05990fbb3f410e9f6ec75d64c153b8a2
Markdown80d1816084f7dfd6309c924f91b0a099271aea17d35fa02fb381fb1d8a16382d
PDF
Publication pagea8d137f1d7a08a1d5a2d51b4d764f533add47c9f9bc7303e710264c769d0e070
Manifest294795c515b95e65e0c763a9bc25a03738fe52b35dfd0cb46a61099881da2cfc

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
Signature/WxNIr8qrxfSyp25RxsbKSTbBry3zUSX2oA8P7sPP0yXIwmvRnnOsJBiG8aFBgjvCzfYUXYFisuRN/3zrToDAg==
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

2026-09-17T10:23:21.196968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072245
observed a8d137f1d7a08a1d5a2d51b4d764f533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:21.180648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072245/manifest.json
observed 294795c515b95e65e0c763a9bc25a037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:21.163527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072245/publication.md
observed 80d1816084f7dfd6309c924f91b0a099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:21.145489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072245/publication.txt
observed 6a80a06062aced97d06fdbd0c62f99bd...
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.