OpenTechnical

OT-2026-000103036

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000103036) never changes.

Identity and time

Publication numberOT-2026-000103036 · never reused
Internal UUID01a0aea4-be3d-7f55-a994-4a3e8367e089 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103036
StatusPUBLIC

Content hashes

Canonical textffc7d01d2c7a1f967b8afc4026b486e622d4018d9289cb43d9df2c81f18853cb
Markdowne69637bdd2a19a27afd6c4cd7ae38a93fbf61cee8e86559ab0eaef0b92604658
PDF
Publication page3687c8a47cccaaa99a48f7d19491f415343002d358b0c67192caa8db952d1404
Manifestbad0d79f66f2677999b78f99d9f50e7cf3ee007bb63f993027b11fc835a5e8a8

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
Signature6ruslN6OG+mJYmG+uE0DE9JBtXyyQaHQVzgui+9lVvhkDIIe/RF9WH2GPwfLLAlqDbFhMTCn6wDGXtcEbUWkAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:09.540531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103036
observed 3687c8a47cccaaa99a48f7d19491f415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.523621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103036/manifest.json
observed bad0d79f66f2677999b78f99d9f50e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.507040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103036/publication.md
observed e69637bdd2a19a27afd6c4cd7ae38a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.491319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103036/publication.txt
observed ffc7d01d2c7a1f967b8afc4026b486e6...
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.