OpenTechnical

OT-2026-000008472

Publication integrity record

Four cup vacuum gripper, four 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-2026-000008472) never changes.

Identity and time

Publication numberOT-2026-000008472 · never reused
Internal UUID01a0ae6a-e46a-79f4-bb4e-49714c6a5214 · 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-2026-000008472
StatusPUBLIC

Content hashes

Canonical text52d92addbacea0c2c3af687c6511a082a9c59d7337fff3c1b79df5ee6a0bd36c
Markdownfe944a394f0513d1967dc22a38fdaf84ab32324e0d7d3f4b7a39a76e7e94765d
PDF
Publication page495736a41673639a994ad1c454fa23e814c1a4c913bbd588ebf97eef8b32467e
Manifest4fb132fda1d70c628b41d56e993aa4b51016c37298987e388905c75915b84e7e

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
SignaturehX2k9n1LwuxsMR2YO55+WGe57Ho4mI4vyZ4TjrvLV+bYEnZ5C2zirYMn8hsvEwUC6TEONOl8LZASzsolgH9YCw==
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

2026-09-17T12:18:21.855767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008472
observed 495736a41673639a994ad1c454fa23e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:21.835007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008472/manifest.json
observed 4fb132fda1d70c628b41d56e993aa4b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:21.816694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008472/publication.md
observed fe944a394f0513d1967dc22a38fdaf84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:21.796982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008472/publication.txt
observed 52d92addbacea0c2c3af687c6511a082...
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.