OpenTechnical

OT-2026-000068693

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000068693) never changes.

Identity and time

Publication numberOT-2026-000068693 · never reused
Internal UUID01a0ae90-2483-78be-88b6-ab57874508a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068693
StatusPUBLIC

Content hashes

Canonical text3d281d5210306b86ba68292643d5b7496f375eb15d7c03d00ca26e0d0c859035
Markdown8c0a5152a2b3816869966fe6522f6b4b42f20217971d43e9144774ce5ca724d7
PDF
Publication page8e12296d37afe1012b21912def70ffe68af79d0c77cccb8c0a5c42f9bb1fed9e
Manifest0cd41696ca00962ea9a9c2e62963363371c61302d84b9f90a5aca8a195032827

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
SignatureNpnzuFZe1ZaV93r+acDOwCn9yu2bE1gJT4f4Nk4b3N0COjenkc1QoMvwoMJUrUo/IHdEafJbLI4ACraHmCncBQ==
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

2026-09-17T10:29:54.029958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068693
observed 8e12296d37afe1012b21912def70ffe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.013483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068693/manifest.json
observed 0cd41696ca00962ea9a9c2e629633633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.996094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068693/publication.md
observed 8c0a5152a2b3816869966fe6522f6b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.980226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068693/publication.txt
observed 3d281d5210306b86ba68292643d5b749...
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.