OpenTechnical

OT-2026-000022632

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000022632) never changes.

Identity and time

Publication numberOT-2026-000022632 · never reused
Internal UUID01a0ae70-46e9-72c8-9f9d-7f29783a0b8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022632
StatusPUBLIC

Content hashes

Canonical text07d25fdce974e189d2a41b7a2836c15a55ace2e79140d7639230647186bd590c
Markdownbb335a45c47bd937fab5b68b4375cbad593c0fb1d2491f379bc5fe7211b2197b
PDF
Publication pageafd23acba23d935c7f8d50219bc1afacc6cae2b2dd5ac798953d420729943317
Manifest3bbc6c5d3adef70884a480c36da546d605ec5f4cbc0231aa24ab1de2c5cdffc9

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
SignatureZDkJLeO3++i08ZF465OKqfvCL2HLpA7BO8B0OnqOtrSyayPaRJMD9kOXpp0GUqOvOnfKn5mPMTjRQ7InIP1rAw==
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

2026-09-17T11:52:00.565728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022632
observed afd23acba23d935c7f8d50219bc1afac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.547908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022632/manifest.json
observed 3bbc6c5d3adef70884a480c36da546d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.495730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022632/publication.md
observed bb335a45c47bd937fab5b68b4375cbad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.450963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022632/publication.txt
observed 07d25fdce974e189d2a41b7a2836c15a...
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.