OpenTechnical

OT-2026-000072647

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000072647) never changes.

Identity and time

Publication numberOT-2026-000072647 · never reused
Internal UUID01a0ae92-89d9-7fba-8fb2-aa83046e12af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072647
StatusPUBLIC

Content hashes

Canonical text4b86d744b2bdced916bdce180383489805610649ccf2418ac91d9e067e52cda8
Markdown78b17dd0daa2f5a42b9a8986e90c487122e6c93b2425ab17f6bc2399c5370f38
PDF
Publication page20ada5fd92f5a1fafc8ead9a885971f1e2480af56b62ec501f77226679cbc7d6
Manifestfc8b6c7116edf54849385fb685f07c6e1b0be515dcd85d18f79c23b8c35c919d

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
SignatureGX4dTVwQH2HZCwFEbhIGyAesimpLChuRlE8QawQd13Mw1NstTOl3skGJmq4D3HrnkHQ13N4mlg26QZeR0pfPAg==
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

2026-09-17T10:22:30.664434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072647
observed 20ada5fd92f5a1fafc8ead9a885971f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.648967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072647/manifest.json
observed fc8b6c7116edf54849385fb685f07c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.632871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072647/publication.md
observed 78b17dd0daa2f5a42b9a8986e90c4871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.617001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072647/publication.txt
observed 4b86d744b2bdced916bdce1803834898...
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.