OpenTechnical

OT-2026-000084415

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, sustained 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-2026-000084415) never changes.

Identity and time

Publication numberOT-2026-000084415 · never reused
Internal UUID01a0ae98-5b62-7382-ba9d-33ae92c265d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084415
StatusPUBLIC

Content hashes

Canonical text6fd3713b413ad88a05d3dfbced3a22a41da2d20e0b5dcdb3544ae3f6b24241cc
Markdownab74357ebe0300fd669b21ec9d6c7b06fa900196bd7e902628e0145ff7a78a7c
PDF
Publication page0786c622eee87765b7ec8e4cc6ff272de338db25d78e65a382df5ee0210c0d71
Manifesteb90af5c485fff6c2a0782c4891256f001bb515b94c9fd1ca64ceec7dd0f4833

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
Signaturef/fFMkjWXhrD6rYTH6TM5M7rjHzu/tw9oU2pHPZib6eIWvVU98r8XAwEkNQYOaa+v93tVmkDVcJLbunkdnBRCw==
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

2026-09-17T09:56:21.831795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084415
observed 0786c622eee87765b7ec8e4cc6ff272d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.814372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084415/manifest.json
observed eb90af5c485fff6c2a0782c4891256f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.798367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084415/publication.md
observed ab74357ebe0300fd669b21ec9d6c7b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.781924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084415/publication.txt
observed 6fd3713b413ad88a05d3dfbced3a22a4...
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.