OpenTechnical

OT-2026-000038646

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000038646) never changes.

Identity and time

Publication numberOT-2026-000038646 · never reused
Internal UUID01a0ae78-2d55-7367-8263-3ebdf5869862 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038646
StatusPUBLIC

Content hashes

Canonical text73f297eaeeab24587f30bc9c361abee7a0995a9c70ab387f9fb54b77862034c1
Markdown365ec5c3631c5911721593ed58a4abd95c20d1786a9b04719f4c0d9a2ac22af0
PDF
Publication page0e585758ba343f8838282f142e089d49e591d8a00415272035cc88e167bccbcd
Manifest2f05fe2e6e44e58dc95a52a28a5fb5e21807ed7c6cef55babad03b5dc01ba847

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
SignaturebWAZwIRGoRZIU7rOKJ5vGxxdxwGVyj//wK5xR92wt5ObjQ1/jnBANqiorR6rebWwsxgy7pLVe8b9rjOB9BBJAQ==
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

2026-09-17T11:22:56.624555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038646
observed 0e585758ba343f8838282f142e089d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.605034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038646/manifest.json
observed 2f05fe2e6e44e58dc95a52a28a5fb5e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.586245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038646/publication.md
observed 365ec5c3631c5911721593ed58a4abd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.567221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038646/publication.txt
observed 73f297eaeeab24587f30bc9c361abee7...
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.