OpenTechnical

OT-2026-000052787

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, supply line 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-2026-000052787) never changes.

Identity and time

Publication numberOT-2026-000052787 · never reused
Internal UUID01a0ae84-a42e-7651-ab00-71a6531d6089 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052787
StatusPUBLIC

Content hashes

Canonical text2feb19bea387aa314004f06933321e168253be467c884763ef0372115c9ed2db
Markdown1c02f2c963c4388560ae0e4ec415a2efd00e4471c66237812e3878377097e182
PDF
Publication page19e463adcb5baaf42b092e1a25601cd5ce9d5b1d45c8721be786ebd2aa019a64
Manifest955e809636c64daf2a01324c6d2bc0f2fe9bd2ba9173c8e265a0c2118bf6f686

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
SignaturehG2QSUOeNu/pMxXKTmLV0Y1sGjHKAXwKmf/RaOVYInQPYGDuWbSqgPTCKhBKG3cqljrKZxLMzrp3zIW5WOHlDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:47.989342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052787
observed 19e463adcb5baaf42b092e1a25601cd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:47.972440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052787/manifest.json
observed 955e809636c64daf2a01324c6d2bc0f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:47.955597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052787/publication.md
observed 1c02f2c963c4388560ae0e4ec415a2ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:47.937974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052787/publication.txt
observed 2feb19bea387aa314004f06933321e16...
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.