OpenTechnical

OT-2026-000074619

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold 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-2026-000074619) never changes.

Identity and time

Publication numberOT-2026-000074619 · never reused
Internal UUID01a0ae93-ac2a-714c-a47f-02818d68473d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074619
StatusPUBLIC

Content hashes

Canonical text291ce8de944e4eebd386ef0154902e9a5a2afed5f2379c37aaf125d6d5e54f13
Markdownaf96dc5763edd689bd0338d0255eca345793dedf5ed134a6a0abc69b6bf98d5b
PDF
Publication page119c8bfb0b40b565db8bae2ee30ffd31110164bbf013dfe8e7cfe15438f332ae
Manifest92adabdaa1bff40cd3faa780cd2b3df99b77cbcf4956f2cad3e73d88f2b643cb

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
Signature7kZi40lg0/k5nsrFBMq2wh6R2eGxpLtn27+0k1bRkEdU3yGrj5IC6v9vuAXlDI5JXk8T1hMveO5pCuGQWEF4BA==
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

2026-09-17T10:18:05.040647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074619
observed 119c8bfb0b40b565db8bae2ee30ffd31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:05.019497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074619/manifest.json
observed 92adabdaa1bff40cd3faa780cd2b3df9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:04.999022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074619/publication.md
observed af96dc5763edd689bd0338d0255eca34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:04.981890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074619/publication.txt
observed 291ce8de944e4eebd386ef0154902e9a...
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.