OpenTechnical

OT-2026-000053047

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000053047) never changes.

Identity and time

Publication numberOT-2026-000053047 · never reused
Internal UUID01a0ae84-a431-7feb-a8be-22c1ef8cbf24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053047
StatusPUBLIC

Content hashes

Canonical text075eed168bd7e20f3d06286150b90285a580b04b93db5507c8ccaa33f94414b0
Markdown2f6a7f557320de689a56c253cd6755679857ae53564ebacc9a8cfaaf19926685
PDF
Publication page53b6952965f3b925e46e5d6dc2af8cf05433748398e864f3d4cdff3f0095192f
Manifest051c7dc849a593bdfd6f922ce3f6573676023cefe930a85728f1f1b69d625bde

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
SignatureLUKZxR2bTimLW+UXMyrBdjoQ6Po861hZSqa03+K+mh/AeQwyBydMwxUI9nsgn5TFiVAs4yyGAP7RVEJ8BpeaAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:45.410622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053047
observed 53b6952965f3b925e46e5d6dc2af8cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:45.391756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053047/manifest.json
observed 051c7dc849a593bdfd6f922ce3f65736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:45.374479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053047/publication.md
observed 2f6a7f557320de689a56c253cd675567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:45.355561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053047/publication.txt
observed 075eed168bd7e20f3d06286150b90285...
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.