OpenTechnical

OT-2026-000074196

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000074196) never changes.

Identity and time

Publication numberOT-2026-000074196 · never reused
Internal UUID01a0ae93-7178-7795-bef4-6d4bca5b10ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074196
StatusPUBLIC

Content hashes

Canonical text62b431abf312635ef86814d49800cc85d2d702386eb79d391fd70517a303439d
Markdownf29853d3e46331f83ee842c0f1f8cd8615b3e3040dd1380c74b80b39db4c95a5
PDF
Publication pagefcd458fa912f10030c5b6814abb61e3fe4b82823d08ed9dd7c10d66e9826fa94
Manifest6fa704b8530338d19c8842cb832159953c27513227a0495588172ea6cd549cf9

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
SignatureuqJwSOmmNGD8q8PCB22x7NyHRFvkP8J9/J4bgkcbnM5TKCI0A6mjTmjRMB9m+Hc3oUdckfwYJQx/1J4to1fFDg==
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

2026-09-17T10:19:03.091108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074196
observed fcd458fa912f10030c5b6814abb61e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.072575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074196/manifest.json
observed 6fa704b8530338d19c8842cb83215995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.055199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074196/publication.md
observed f29853d3e46331f83ee842c0f1f8cd86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.037269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074196/publication.txt
observed 62b431abf312635ef86814d49800cc85...
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.