OpenTechnical

OT-2026-000035977

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000035977) never changes.

Identity and time

Publication numberOT-2026-000035977 · never reused
Internal UUID01a0ae77-01cc-7ccf-a42c-f046ff594909 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035977
StatusPUBLIC

Content hashes

Canonical textb0255f7bae9f095ecba6dad941b3b30e1ae20bf517b89d449e1f0c56a878b255
Markdown0135ec1a989580ab635f58416559815eb0dde3c0abc33c1b960a9f46a7695610
PDF
Publication page5aabe406bd542e7a3f5dcbeb7b65177569b9cb214a72e2d2778c1761e4dfeece
Manifest0070569e5f802c8712c57ee02530fa0b70cffcb95feef53fb49df9f0a05f89c0

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
SignaturehrVVUiF9mASvSK3lP6+PvoSqpuchIXn3yMH8hYEbL2lbBr7y2xEFUWLNHxmKCbWLyUWdNnnkm2KkpjTp9GymCQ==
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

2026-09-17T11:26:08.085545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035977
observed 5aabe406bd542e7a3f5dcbeb7b651775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.069407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035977/manifest.json
observed 0070569e5f802c8712c57ee02530fa0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.054030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035977/publication.md
observed 0135ec1a989580ab635f58416559815e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.037815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035977/publication.txt
observed b0255f7bae9f095ecba6dad941b3b30e...
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.