OpenTechnical

OT-2026-000063379

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000063379) never changes.

Identity and time

Publication numberOT-2026-000063379 · never reused
Internal UUID01a0ae8c-f944-7dea-a01f-8c5400189167 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063379
StatusPUBLIC

Content hashes

Canonical text72d29a046da11e5c6dd7df3b56750a3dfbebbef026e65b3a884398521fbaf51a
Markdown466b54834275b36b4d171b224b764a8acac82992c1b484df1123164bbb79920a
PDF
Publication page546877949611551fc14e2c483bf9b1f5ccd5985ad0ea9280215e5f4477fcf34e
Manifestcc5ab5408604b0b34dda9483647d3fd50c3d1e81e3691b3a4684a852d0b13145

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
SignatureKzHTdnRpq3xVcbeITIvW0Ar1KYrH+B/vQXQemeEaBgC+SA+rqRPbrwzFgnI50Zcm+52+oVFLJQIpLUcwKz0sBg==
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

2026-09-17T10:37:17.453034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063379
observed 546877949611551fc14e2c483bf9b1f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.433977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063379/manifest.json
observed cc5ab5408604b0b34dda9483647d3fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.415160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063379/publication.md
observed 466b54834275b36b4d171b224b764a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.393306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063379/publication.txt
observed 72d29a046da11e5c6dd7df3b56750a3d...
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.