OpenTechnical

OT-2026-000018674

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000018674) never changes.

Identity and time

Publication numberOT-2026-000018674 · never reused
Internal UUID01a0ae6e-d520-7c52-9acf-72d1f286ee58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018674
StatusPUBLIC

Content hashes

Canonical text7115719dc95d49859b80bb3090243a14c809b3a02d13217d4f1efaf88fbf23f3
Markdown988dd308fbfb16c2b577d4fd9dd83c12c0ded5a05419607d6a45eeb82494f736
PDF
Publication page85cfcbbdd19be1fcc571afff194084332ebbc457dcde96ff1542dd0e0727495e
Manifest50f9ae2d06f81a4d7c7d3e29d98334d229a13dd904bf11cc44ad5362b6ef51f1

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
Signature5VwQuNsoz2KqObMIVZxvBzm44Hzn2pCovuzNSSpoZTy02QNpxLw97Ihx8KtWYtJpofWlQ/9Mi2rWJu9bxwP4Cg==
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

2026-09-17T11:59:16.142677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018674
observed 85cfcbbdd19be1fcc571afff19408433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:16.123624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018674/manifest.json
observed 50f9ae2d06f81a4d7c7d3e29d98334d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:16.105241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018674/publication.md
observed 988dd308fbfb16c2b577d4fd9dd83c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:16.087860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018674/publication.txt
observed 7115719dc95d49859b80bb3090243a14...
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.