OpenTechnical

OT-2026-000008700

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000008700) never changes.

Identity and time

Publication numberOT-2026-000008700 · never reused
Internal UUID01a0ae6a-e46c-7bb4-bbc9-6b70a8dae30f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008700
StatusPUBLIC

Content hashes

Canonical texte2c7c56e82cefc79edd5bc77cb8c25e7427dc4e10c2a033c0d0de7b2de551922
Markdown29dfca32dc3342595983c31ba4b0627f9a7fa603d071ea3e5c10d4a2b2f2d6d4
PDF
Publication pageca66f0d58cb8db3de10a554f412adce5bdf47ae4bd18231a855ef538dd41dc51
Manifest428c81419d9ed704f5e781640fd0cf118808c9af3455ffd8c3b475bec3b2f7fd

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
SignatureJ3Zhr45noAjzqRHWhpTL/ML4GZdtf3QZNmcecUNqoyx7X7nR5Czg18V6AClPn3+/iwT4QUe1AgdaZU04tl/0AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:46.252460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008700
observed ca66f0d58cb8db3de10a554f412adce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:46.219857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008700/manifest.json
observed 428c81419d9ed704f5e781640fd0cf11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:46.192409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008700/publication.md
observed 29dfca32dc3342595983c31ba4b0627f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:46.171611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008700/publication.txt
observed e2c7c56e82cefc79edd5bc77cb8c25e7...
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.