OpenTechnical

OT-2026-000070969

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000070969) never changes.

Identity and time

Publication numberOT-2026-000070969 · never reused
Internal UUID01a0ae91-8c2e-771b-8fa1-64c7bad6d54a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070969
StatusPUBLIC

Content hashes

Canonical text232f0a0e64f527dc7cf5da9ab61bf74ce34c7668da0393f4def08f44244f3a6c
Markdownd26d34c382feb756f3078837cd25c923233133f0a1b2e31d36b1fa729d0e7783
PDF
Publication pageb24f2048a68091a44f5bae7ac703d7c4f5eaeb277679c23a3f0c9e17fe338417
Manifest5fb798cbeed3f13cc465a39357ec76de7b8d5c079a8f3ff7b59e877736922c0a

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
SignaturewgMMTYZ+HWm2Vy6dbpcwcBjq/pmcBecej1dpKOkROHHgl/DfQ6V+IUmgZOT5eTjdJoP3u73ghtY0Xy8ZSboSBw==
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

2026-09-17T10:25:48.535076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070969
observed b24f2048a68091a44f5bae7ac703d7c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:48.517869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070969/manifest.json
observed 5fb798cbeed3f13cc465a39357ec76de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:48.499643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070969/publication.md
observed d26d34c382feb756f3078837cd25c923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:48.483533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070969/publication.txt
observed 232f0a0e64f527dc7cf5da9ab61bf74c...
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.