OpenTechnical

OT-2026-000072995

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000072995) never changes.

Identity and time

Publication numberOT-2026-000072995 · never reused
Internal UUID01a0ae92-c815-7abd-bb5c-2b2aa1af9b54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072995
StatusPUBLIC

Content hashes

Canonical text121d045d7c62811572eafadbb28554579440042ff068eadd386dc48d083ed0d9
Markdown39b077a56aee75a5f69b32f726011e45e709781a7cc6550380fc30c981f32e31
PDF
Publication page000999db34e8d8fb23005adce0538e007eacacaca321312130f5a47c1c923d2f
Manifest2c4ec0d63386dde9b2d970f79ad33ba2acb0b1e443dd4b7f1beb91a363860e02

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
SignatureR7E14JuhzxlZjwMyeP18JMHHoSP+a/HCA3AI2rvaNb2qkFnN1TJVP4pbJ/SjrMNWoK+c9+xjakOw+XcFeeyMAg==
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

2026-09-17T10:21:55.665948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072995
observed 000999db34e8d8fb23005adce0538e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:55.648027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072995/manifest.json
observed 2c4ec0d63386dde9b2d970f79ad33ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:55.631929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072995/publication.md
observed 39b077a56aee75a5f69b32f726011e45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:55.614019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072995/publication.txt
observed 121d045d7c62811572eafadbb2855457...
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.