OpenTechnical

OT-2026-000045170

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000045170) never changes.

Identity and time

Publication numberOT-2026-000045170 · never reused
Internal UUID01a0ae7c-f769-79fe-a8b7-ef75c460f1d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045170
StatusPUBLIC

Content hashes

Canonical texta65c921d99459e635b43ac242dfe6e0e4412b88e4f7bf1e5a35905475fbc9788
Markdown64076b4c3520db6a8e73ba86e571e5e00d26a534dcaf28b7cdc05a3554d6de9a
PDF
Publication page27aec4ad58953a260aafcd14277278e370eb5372307455755b0ffd4579c95b87
Manifestc8b17b4b91df8958dd23963bc2a2463c68e177d7b824685354f620e1805004bb

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
SignatureTlt3Whhd5CKj3NyerFQIu7mR8B17wZX4MjpxjKK+OaDw9DFIfE7oWTX/9J0wAK0/k99xbe+dH8EEI5LGDff+AA==
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

2026-09-17T11:10:19.981901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045170
observed 27aec4ad58953a260aafcd14277278e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.963839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045170/manifest.json
observed c8b17b4b91df8958dd23963bc2a2463c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.943886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045170/publication.md
observed 64076b4c3520db6a8e73ba86e571e5e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.925006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045170/publication.txt
observed a65c921d99459e635b43ac242dfe6e0e...
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.