OpenTechnical

OT-2026-000067863

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000067863) never changes.

Identity and time

Publication numberOT-2026-000067863 · never reused
Internal UUID01a0ae8f-c4fb-7da6-a19d-4c223223d56b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067863
StatusPUBLIC

Content hashes

Canonical text17971f98c952cebfc6428726f4905fe0ce438cb072cf6656c4f7c02e5e7653a9
Markdownf4e02b87c77a45a62a5eb2f01f032545eb2396584acca372ddd4f07541920a1d
PDF
Publication pagef3a4587dba9ebc2557a05de332da51c2aaffb3a50d3e49e9a40c48bbc550b1ed
Manifest6781a3b790f3ba1b75f2fc2471d3861243ddc39a1e51d7796ffe5435e8cd3d55

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
SignatureMQZTD6aMAvpqincFUWivUGO5P9HLDfnFxRcjydVBYwoozCKdrAaoQkK3tIpEVesHCTvCWpfyS5oTH6/TAT1eBg==
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

2026-09-17T10:30:14.828776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067863
observed f3a4587dba9ebc2557a05de332da51c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.809167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067863/manifest.json
observed 6781a3b790f3ba1b75f2fc2471d38612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.784705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067863/publication.md
observed f4e02b87c77a45a62a5eb2f01f032545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.765761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067863/publication.txt
observed 17971f98c952cebfc6428726f4905fe0...
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.