OpenTechnical

OT-2026-000008898

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000008898) never changes.

Identity and time

Publication numberOT-2026-000008898 · never reused
Internal UUID01a0ae6b-31b7-7b1e-b1bb-e21effbbaa7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008898
StatusPUBLIC

Content hashes

Canonical text2f7d44f2a876569b2b329cf5e5f7dc59c6e59cba19ecd2ec60dc4de041ca12bb
Markdown6b5d4447df91bd36dbeeff2e939e6e67efdb6f3a011dfea4ff0d519ed3cf4461
PDF
Publication page1557702f419ee165583a1a37efd3123f0fff2a13967e704b32e847735dfc42a9
Manifest9c39842be6e8e01c58cfcb777359221506ebddb489ac026d51829d89b68e298e

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
SignaturekPxgTky+obYCY5FflucDmEEPDxqDskNu57gG18k/18H0eXgip+wY9ydNJNnE36n/Bd0qNRHjypv+YrKGMYFLDQ==
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

2026-09-17T12:17:29.863289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008898
observed 1557702f419ee165583a1a37efd3123f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:29.844887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008898/manifest.json
observed 9c39842be6e8e01c58cfcb7773592215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:29.826061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008898/publication.md
observed 6b5d4447df91bd36dbeeff2e939e6e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:29.806849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008898/publication.txt
observed 2f7d44f2a876569b2b329cf5e5f7dc59...
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.