OpenTechnical

OT-2026-000070021

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000070021) never changes.

Identity and time

Publication numberOT-2026-000070021 · never reused
Internal UUID01a0ae91-1861-7ff7-90e4-71e01cac18a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070021
StatusPUBLIC

Content hashes

Canonical texte382ee5085680e90d07fb633122ab32aa7131345ab6f9bf9eb9adeced8b0b550
Markdownb465c9389b7dc96902f369a556f29b78083eb9317661fb479b80ba569e1aa77f
PDF
Publication pagea1996eab8a65f8f7f4c24d391d06441826409406eb510784994df88e3e2498fe
Manifestb123eb0b1f7b8bf563e1d06f311e4d4172912014009eb68aaed0c1c549063379

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
Signature9MytS9oW8zzTJxXjhLisUg82mM50w1V+aHcKr8OhCBv1u073lJlZaJGCoQXPh+OSVEt3NxeaP0qJsmEFDx8VBg==
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

2026-09-17T10:26:58.470778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070021
observed a1996eab8a65f8f7f4c24d391d064418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.453732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070021/manifest.json
observed b123eb0b1f7b8bf563e1d06f311e4d41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.436199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070021/publication.md
observed b465c9389b7dc96902f369a556f29b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.417986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070021/publication.txt
observed e382ee5085680e90d07fb633122ab32a...
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.