OpenTechnical

OT-2026-000065373

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000065373) never changes.

Identity and time

Publication numberOT-2026-000065373 · never reused
Internal UUID01a0ae8e-46f8-7966-a117-1daff113e9db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065373
StatusPUBLIC

Content hashes

Canonical textb32a50c1703069e66cb2da11bfff390ba2e6915ab3ae5e45782819e6c88f6af0
Markdown18933966af2290fd36948f5f794a1b4371a8889e26b716e0956fc590912ab6bf
PDF
Publication pagee6162b127f4ed6bb29662ff222c1dddde55448179ec1e89066a9710c7ad2945e
Manifestfbd66002802af5f559ae1f768f4fe73d8649a2a1aec1788c1ae5c3812f3c1a98

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
SignatureIa6w3p7ACjQTkyF7V/71mKj2vkpyRuaSjNYk6oJpaXZXVNlQQYC6A9sOvdgVfsuTi2rDbyuwwVzwdmiy+fFVBQ==
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

2026-09-17T10:33:37.452878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065373
observed e6162b127f4ed6bb29662ff222c1dddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:37.431323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065373/manifest.json
observed fbd66002802af5f559ae1f768f4fe73d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:37.410711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065373/publication.md
observed 18933966af2290fd36948f5f794a1b43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:37.392922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065373/publication.txt
observed b32a50c1703069e66cb2da11bfff390b...
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.