OpenTechnical

OT-2026-000064487

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000064487) never changes.

Identity and time

Publication numberOT-2026-000064487 · never reused
Internal UUID01a0ae8d-a461-7b5c-b5de-16c1f0af6a81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064487
StatusPUBLIC

Content hashes

Canonical text5bc116d137561bbe88f437a5df811b2e1fcb68d6fe0d474212ee713acfb99ffe
Markdownb61e29d2458b444491f3c702b19941374ec6514bbab622610d4146b6d6756c0f
PDF
Publication page45af3f10983fbc2828552b42b6e49cc83572b70b236ede8da1f566a665db5a87
Manifestb45cb63dc0c6a353fa69d761fc84258bfdb19217e63ea38c1343398bcaf62c9d

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
SignatureekyOTNeYeGBPqoB790BaFXbeSXORs67MgBokIRiWR2QQhSTenauMVbXhtDEXOXIa26OPzyOv/pQOvh4FGhsPAQ==
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

2026-09-17T10:36:41.057685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064487
observed 45af3f10983fbc2828552b42b6e49cc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.038873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064487/manifest.json
observed b45cb63dc0c6a353fa69d761fc84258b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.020142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064487/publication.md
observed b61e29d2458b444491f3c702b1994137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.002034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064487/publication.txt
observed 5bc116d137561bbe88f437a5df811b2e...
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.