OpenTechnical

OT-2026-000022634

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained 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-2026-000022634) never changes.

Identity and time

Publication numberOT-2026-000022634 · never reused
Internal UUID01a0ae70-46e9-7c07-975a-1b0c49b2171b · 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-2026-000022634
StatusPUBLIC

Content hashes

Canonical text0a6f5ecbd51a447e7dddb64888d588aa2324e0e784aeb2d4ab9909662b232170
Markdown93a7c9bddfdee2c22be95a296ef4e709df50cc0d360b84c61703d6481675e9c4
PDF
Publication page6a9da0f8eeed1e086053b46fa0a806b3e80f1d7223a3db65a1aa23b9e4b412e3
Manifestfbd1cd2d894050c7ee79d260260e087260faa56db1001002bc8172eabc10de16

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
Signature5hJloEsfUm3uX5uBp0Li0DnQsDpYxYqpWdqBMKNQue+1g4UAGj5sVSEN6HTnWZGDo0BsPNZgLz1nPry+/XKEDw==
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

2026-09-17T11:52:00.727529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022634
observed 6a9da0f8eeed1e086053b46fa0a806b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.710822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022634/manifest.json
observed fbd1cd2d894050c7ee79d260260e0872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.692472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022634/publication.md
observed 93a7c9bddfdee2c22be95a296ef4e709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.673902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022634/publication.txt
observed 0a6f5ecbd51a447e7dddb64888d588aa...
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.