OpenTechnical

OT-2026-000046472

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000046472) never changes.

Identity and time

Publication numberOT-2026-000046472 · never reused
Internal UUID01a0ae7e-57dc-7666-a360-afa93d716864 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046472
StatusPUBLIC

Content hashes

Canonical text76497d0a07c53571621b0a1ec01e4a6c232457e173b96b5cf5b7dc145395900e
Markdown7f3e9ffc61076f79195073bea20a887522a15544375b86e7771d18bfd461a3ab
PDF
Publication page5fe0322d5167a4c034a8dce5c11fc846f760fc2218a0b7fecb44b946e50b5dfe
Manifest06da215422bb61f4b74da72d2cbfd88c75c776f17c5466f1e549994550a04819

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
SignatureOiZVJJlRIkrG+BlDIH1207czo/bo0PXYzvOlrd5Wu38+rRBReB80HVBT6rqAVsK6Gt7bo8JkLvNFmD7PofTMAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:08:30.151845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046472
observed 5fe0322d5167a4c034a8dce5c11fc846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:30.131503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046472/manifest.json
observed 06da215422bb61f4b74da72d2cbfd88c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:30.110589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046472/publication.md
observed 7f3e9ffc61076f79195073bea20a8875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:30.090472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046472/publication.txt
observed 76497d0a07c53571621b0a1ec01e4a6c...
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.