OpenTechnical

OT-2026-000039136

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000039136) never changes.

Identity and time

Publication numberOT-2026-000039136 · never reused
Internal UUID01a0ae78-9673-7b4d-adc8-13a035ea08ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039136
StatusPUBLIC

Content hashes

Canonical text4c9ac262ca23aee804d2f9aa239c35939f299837f7468a8ca42b04f4e35c5930
Markdownfd00e74c769bba6a27382f323f4a628cd21e4c8f328a043c2d2c67fd33705ed7
PDF
Publication page0bc0b784687c2927e0c94adc7d1e49e39978a8b3d25496dc630755e0ae6f2b50
Manifestca301d5799ea70ef1e86a14a4d8c3711b9802b2587854ec8e71ed074f1b69218

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
SignaturenFzgW2IT8W5AZjEwtfN2vm1kREYATvlQPejKTLaww7ZqkL8wgKKhHBuSGVIo7+N7ZRiAPI4qocPv9PKExAzfCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:38.553964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039136
observed 0bc0b784687c2927e0c94adc7d1e49e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.536188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039136/manifest.json
observed ca301d5799ea70ef1e86a14a4d8c3711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.517530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039136/publication.md
observed fd00e74c769bba6a27382f323f4a628c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.496734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039136/publication.txt
observed 4c9ac262ca23aee804d2f9aa239c3593...
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.