OpenTechnical

OT-2026-000040582

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000040582) never changes.

Identity and time

Publication numberOT-2026-000040582 · never reused
Internal UUID01a0ae79-6d0e-7bac-9954-937640022211 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040582
StatusPUBLIC

Content hashes

Canonical textcbfd44f9154b7a8e52d846f14b3e44e9dec71ee06ae7007638d4a1068b7e5e3b
Markdown25a36232bf68bab949b24e26eee8db385fa40c686c2e50da4e21fd06dc78c55c
PDF
Publication page196fe881e31f58412859f93f28074edb66bea49efe79d58112afeaba9fef70a7
Manifest3aefee3c1e58e24d9c42589f8fda6b369a34ecc115f058754de8c256e0e1641e

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
SignatureC1noKQeknhlMjGxC/Ge9nqmp67MS6A3YeAsOfh221MGh4EnpiqznpLBwJKNT/iSIaezM145uOVI6/fK5HnXxCg==
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

2026-09-17T11:17:44.983205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040582
observed 196fe881e31f58412859f93f28074edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.964050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040582/manifest.json
observed 3aefee3c1e58e24d9c42589f8fda6b36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.945755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040582/publication.md
observed 25a36232bf68bab949b24e26eee8db38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.927698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040582/publication.txt
observed cbfd44f9154b7a8e52d846f14b3e44e9...
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.