OpenTechnical

OT-2026-000095438

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000095438) never changes.

Identity and time

Publication numberOT-2026-000095438 · never reused
Internal UUID01a0ae9f-8f73-78c0-81df-6237fd7ca9ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095438
StatusPUBLIC

Content hashes

Canonical text698f476d506013bc8d6b6101969a622b4111e45ef63a27ce55f7c76a5f9aa6a6
Markdowna7aa5dc8055fd31121cf97f9de890390b6aa66a4dcff0a77df6358ac39ab3e35
PDF
Publication page6cca4800c3c803ba4bcdb364bbefc89ff39ebaae714ea5721c59d76ec390aa68
Manifestb56942c6eaf1cf8f8a30fbc1d285be3afec58e1b75fd8b2326dc5b5b6249821e

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
Signaturext9eYS9GFI3p0YxtJNlgINMNNtq2oquugEZcuImAZmKprL0y5vU6v9bL2U7olnZylvAxwdUQvzGRFlJJS6d6DA==
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

2026-09-17T09:36:48.683683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095438
observed 6cca4800c3c803ba4bcdb364bbefc89f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.668560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095438/manifest.json
observed b56942c6eaf1cf8f8a30fbc1d285be3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.651088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095438/publication.md
observed a7aa5dc8055fd31121cf97f9de890390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.633601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095438/publication.txt
observed 698f476d506013bc8d6b6101969a622b...
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.