OpenTechnical

OT-2026-000011161

Publication integrity record

Foam pad vacuum gripper, pump fed, 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-2026-000011161) never changes.

Identity and time

Publication numberOT-2026-000011161 · never reused
Internal UUID01a0ae6c-540f-7a40-8aee-cd79e623d9fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011161
StatusPUBLIC

Content hashes

Canonical textbd50340f308bcb7b7878281e2f93779474846ccdb5927722714e30dd27409d88
Markdown8d4d92a74b444fb785358c2885887d8e3d3806fdb5d2ff5d23ace85579382be1
PDF
Publication page0a5d3e6ad2d3818fe1821caab691ccb0950541cfebdbeded4f12a9d2f094a42f
Manifestd162326d3aaf4bf57c5e969694a291fbbd5519d9c07216d282dab478c9c59aba

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
SignatureZAj25dtWyQSsZdEJUvtXpDp6bQZmRyIaePDj6UJ57p5ohvU0EJ+Qzli7wPYIRRyw0ork7j7r7+1QvWqwoj5hDQ==
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

2026-09-17T12:14:05.754778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011161
observed 0a5d3e6ad2d3818fe1821caab691ccb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:05.735769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011161/manifest.json
observed d162326d3aaf4bf57c5e969694a291fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:05.717719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011161/publication.md
observed 8d4d92a74b444fb785358c2885887d8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:05.697492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011161/publication.txt
observed bd50340f308bcb7b7878281e2f937794...
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.