OpenTechnical

OT-2026-000019242

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000019242) never changes.

Identity and time

Publication numberOT-2026-000019242 · never reused
Internal UUID01a0ae6e-f391-762c-9651-ceb6f6a78023 · 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-2026-000019242
StatusPUBLIC

Content hashes

Canonical textb5339635665fc65a16aeb4c4124a634ffea7349ac017b26da30426fe89754c22
Markdownd51095f3233aefc79f719541d665c5d1b04fd57930d11104505521e5c2210782
PDF
Publication page6679a8c427c28e475403d409a52238e521fa89da128b33adc8ed3f2d85c4b6a3
Manifest6aec690d9896d7e62e1eb9f4954d21a390c0bcf070735ab16985b522700dc77e

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
SignatureD4e6RYXELrHyEZEd+dcSdqHOTjY/SlmqklOoV3YWGgEdEmqHjW89zXi1UWc+D0AXp1o1PW5RypA4pyyyzB1iDg==
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

2026-09-17T11:58:34.592756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019242
observed 6679a8c427c28e475403d409a52238e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.574720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019242/manifest.json
observed 6aec690d9896d7e62e1eb9f4954d21a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.558848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019242/publication.md
observed d51095f3233aefc79f719541d665c5d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.542149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019242/publication.txt
observed b5339635665fc65a16aeb4c4124a634f...
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.