OpenTechnical

OT-2026-000101934

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000101934) never changes.

Identity and time

Publication numberOT-2026-000101934 · never reused
Internal UUID01a0aea4-50f1-77f6-afa0-eae0b535c706 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101934
StatusPUBLIC

Content hashes

Canonical text2ca94e82a6f8df3e5312a86319bf5ba21db1627042cb36723a1618d7d3b23771
Markdownfc745463b05820ad9cceb92742b4386ff15d8ccb7069a3119bd46102b95f32c5
PDF
Publication page743144d05544ecacae26b731396ce0f2b3a275ba23ade96b04992c26025996d1
Manifestedd12c5c6e4fd3ee593db3b52ac34baa81dc34779d1f7004ef8d5db2d33377f9

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
Signaturef85oSvgeo7ZxJHJ04Ww9+mMfQJmI1P42FhzFjhks5zMvhRyIDGejiJMYLWLpcvPHOytFLupa7JZ2MDXEwK9lBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:02.908975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101934
observed 743144d05544ecacae26b731396ce0f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:02.889516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101934/manifest.json
observed edd12c5c6e4fd3ee593db3b52ac34baa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:02.871518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101934/publication.md
observed fc745463b05820ad9cceb92742b4386f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:02.854889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101934/publication.txt
observed 2ca94e82a6f8df3e5312a86319bf5ba2...
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.