OpenTechnical

OT-2026-000101992

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off after set-down

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-2026-000101992) never changes.

Identity and time

Publication numberOT-2026-000101992 · never reused
Internal UUID01a0aea4-50f1-7fb1-b5ac-927636568f4c · 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-2026-000101992
StatusPUBLIC

Content hashes

Canonical text8a12bcbde026c35f9b509c1698f7082002733f6bd180dbb3f36b570b838edc44
Markdownab78dff9a237f8ed5c887dda4a41d70c10879050b7c524cf1ad3c1fd817f2796
PDF
Publication page153e7fb9c76d753dd39e76271672efa6fa623b637550af85d3042a29e8604c55
Manifest8102c428928c22ae5dda690e9c4b90446c36957f1f4620ffe50e29dd3e85cb22

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
Signature6jGHR1AWOLmOXQMsy+zeUZVqi82trMBSJGpHQ6F46eAm9GgyFJLs9VR3Jcl3avAdR4utGospnJY8t+4/AAs+CQ==
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

2026-09-17T09:25:06.970343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101992
observed 153e7fb9c76d753dd39e76271672efa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.951906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101992/manifest.json
observed 8102c428928c22ae5dda690e9c4b9044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.933520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101992/publication.md
observed ab78dff9a237f8ed5c887dda4a41d70c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.916001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101992/publication.txt
observed 8a12bcbde026c35f9b509c1698f70820...
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.