OpenTechnical

OT-2026-000007956

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off after set-down, on a tool changer

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-2026-000007956) never changes.

Identity and time

Publication numberOT-2026-000007956 · never reused
Internal UUID01a0ae6a-908b-73ab-929f-cfbb62c3c589 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007956
StatusPUBLIC

Content hashes

Canonical textced046fe6f65fb25c04c00254caf70991c886c4a011cf4aedcac7c52d6495b88
Markdown8387248cdd99455a7465591f51476e6c678423450a3bb90a18f1aafc6e440919
PDF
Publication pagee3866375397c399eb44934be217db96bc7355d763d1c7a62b206548608d8922b
Manifest8b9842a21c91fdaca2b9a376790c983e7f2a8a1a496feb23429b5ff5b55f1e01

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
Signature/JW5dXDQcX1NKzkTzzGvhMZJfh2cDKZKP3+Kayh/0J2OAFQUv9GHqypQ6luu/TlKovEDGrfE1uz/djtlWTvCAw==
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

2026-09-17T12:20:27.973700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007956
observed e3866375397c399eb44934be217db96b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.951277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007956/manifest.json
observed 8b9842a21c91fdaca2b9a376790c983e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.931053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007956/publication.md
observed 8387248cdd99455a7465591f51476e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.913019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007956/publication.txt
observed ced046fe6f65fb25c04c00254caf7099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.491520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007956
observed e3866375397c399eb44934be217db96b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.473774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007956/manifest.json
observed 8b9842a21c91fdaca2b9a376790c983e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.454005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007956/publication.md
observed 8387248cdd99455a7465591f51476e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.433227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007956/publication.txt
observed ced046fe6f65fb25c04c00254caf7099...
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.