OpenTechnical

OT-2026-000070940

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, vented before 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-2026-000070940) never changes.

Identity and time

Publication numberOT-2026-000070940 · never reused
Internal UUID01a0ae91-8c2d-7adf-b2e1-cec9cd05ba58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070940
StatusPUBLIC

Content hashes

Canonical text97def725a50e3d7c50c06f7751cb52c8b1c2138d96a1748832ad777d2fc45901
Markdownb19132c3da9cd4563c12bd8a1de1db1b8730ba77f28e3d52d3b51c39133e1bb3
PDF
Publication paged7285ca5fe293a8098ec7aedb61ff6a7ea5a9ae5eb56d69171a322892df54cde
Manifestb6db1208efbfd1ecb7059d31050b2b9788a7eb41349edcf4bbd9b1be7043a4ca

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
Signaturey3EYc3h4bRtli2nvMmcWdaarQuvRR6b6g++K2xVLpe6cnaU91zUQbqlkp8WPZ5k7Vfq9coAQpLY/7A9XwON8Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:46.446166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070940
observed d7285ca5fe293a8098ec7aedb61ff6a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:46.428444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070940/manifest.json
observed b6db1208efbfd1ecb7059d31050b2b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:46.410167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070940/publication.md
observed b19132c3da9cd4563c12bd8a1de1db1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:46.393525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070940/publication.txt
observed 97def725a50e3d7c50c06f7751cb52c8...
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.