OpenTechnical

OT-2026-000073419

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three 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-2026-000073419) never changes.

Identity and time

Publication numberOT-2026-000073419 · never reused
Internal UUID01a0ae92-efb8-767c-b6c2-a15db85ce44a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073419
StatusPUBLIC

Content hashes

Canonical text1962c0a5446baaf39ea071b003c0a410f8e4f3aa670533025ea2177d690a1440
Markdownfa95c7bcba08229901c620913e95eee878e9d2bcd785aa9f41e1c81799bd809a
PDF
Publication pagebcd899860cf1b330466d77bd91051f866b26d83cb6556dbb9f06ce4107ecdf94
Manifest4010c7734da9132c73cc5f4f7cb4bb4001f1703b5aaccb5016228da483d319be

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
Signatureo8Hmb85tyoPodCbYaV24qJyq/K4wBgA9iLCCn2swQUirlblt+DuQ/juGlynR5N70R96ZT+3+MB6DVN99niiKCA==
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

2026-09-17T10:21:34.117965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073419
observed bcd899860cf1b330466d77bd91051f86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.099339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073419/manifest.json
observed 4010c7734da9132c73cc5f4f7cb4bb40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.078947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073419/publication.md
observed fa95c7bcba08229901c620913e95eee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.060036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073419/publication.txt
observed 1962c0a5446baaf39ea071b003c0a410...
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.