OpenTechnical

OT-2026-000011055

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000011055) never changes.

Identity and time

Publication numberOT-2026-000011055 · never reused
Internal UUID01a0ae6c-540e-7a63-b040-b2ad32fec940 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011055
StatusPUBLIC

Content hashes

Canonical textc41e00d2ff56c5640aee37de3c22c9f3db41548922a6b7a4081d8a2ce7f47635
Markdown5be3991e59bb9caa730ba8f32c06954d19b80ccdc14927648a0fef5e0c7716c6
PDF
Publication pagea83f5ec561c01f51e266a70ae70bfda8d18ed80cbb0aa233f8f6de0c45b8f812
Manifest78d3e1d6c2ef337a2d8caf362159d7f74c854611d38a4008637de77b8b71239d

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
SignatureN7cA9fju2KRNHi44hvcGU7D1zZ9Bbfa+a6/UwqiVU1IxTjRnuLyHEyu3PZ9OSP3UVFajWAgMBpppUZM4D5NLDg==
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

2026-09-17T12:13:53.201470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011055
observed a83f5ec561c01f51e266a70ae70bfda8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:53.181258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011055/manifest.json
observed 78d3e1d6c2ef337a2d8caf362159d7f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:53.162056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011055/publication.md
observed 5be3991e59bb9caa730ba8f32c06954d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:53.142748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011055/publication.txt
observed c41e00d2ff56c5640aee37de3c22c9f3...
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.