OpenTechnical

OT-2026-000079587

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, sustained 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-2026-000079587) never changes.

Identity and time

Publication numberOT-2026-000079587 · never reused
Internal UUID01a0ae96-0b92-7bb0-b0d0-159e8f7b422a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079587
StatusPUBLIC

Content hashes

Canonical textcfed6a3f8192f33d4c76e40122ab714cb1bae84fa739932d26deea11e409dc72
Markdown5e1109f814d1908243320910a48b7cbb640109b337b64a251edb9ae2183603de
PDF
Publication page885d3f32596473869b03de1b8a9d33a7e196d0ef32c67ef703700f9580a046f0
Manifest8e738fde080d10ecf5c22eb7952f2af25bbf1b178a6d76c55c4da40cf6ed87b2

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
SignaturesO2wGNI/ZSSZRdf9fxlT9S2ZbPc24YuM7MenpRNoJ3ID5a0VICuNPItvhNdRiNCvwcC2SutWG9GlN388PwdcBA==
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

2026-09-17T10:05:14.603697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079587
observed 885d3f32596473869b03de1b8a9d33a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.584956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079587/manifest.json
observed 8e738fde080d10ecf5c22eb7952f2af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.566286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079587/publication.md
observed 5e1109f814d1908243320910a48b7cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.548043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079587/publication.txt
observed cfed6a3f8192f33d4c76e40122ab714c...
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.