OpenTechnical

OT-2026-000019225

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000019225) never changes.

Identity and time

Publication numberOT-2026-000019225 · never reused
Internal UUID01a0ae6e-f391-7565-a0c8-0d6d0e188d79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019225
StatusPUBLIC

Content hashes

Canonical text915cd31257bd1b1b8d12eca8e72ae6af88df051e9c30a5448b340a08cf11bfff
Markdown8e8a6a9d691487d07901a528ea9554b1e69d89d0fb3cfb37f15e1f7a87f89c13
PDF
Publication page578fd6e3643e89131f4e75545109ebedb616c13709f77bf8fdc1cadd05ab2bc6
Manifest83cc3c7f0aa099c1a4080a8cbd12c968d8d4fecb8d2b5bdd498970f26e97ea09

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
Signatureg8+cJ6S86JURg/N8W5Ja4CAza2ERSVTdPejzfEQBGFDxSmTSeML2ZJ5wTspVHw77vjBTafOFQaLA32hJ/3kOCw==
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

2026-09-17T11:58:33.043947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019225
observed 578fd6e3643e89131f4e75545109ebed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:33.028051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019225/manifest.json
observed 83cc3c7f0aa099c1a4080a8cbd12c968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:33.008429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019225/publication.md
observed 8e8a6a9d691487d07901a528ea9554b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:32.990632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019225/publication.txt
observed 915cd31257bd1b1b8d12eca8e72ae6af...
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.