OpenTechnical

OT-2026-000075900

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000075900) never changes.

Identity and time

Publication numberOT-2026-000075900 · never reused
Internal UUID01a0ae94-29ff-76d7-9ad1-4a3c1a9737dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075900
StatusPUBLIC

Content hashes

Canonical text1dddcf9f9ef8a39b36efcc54bb6960910f9fa443f8b8316ca724bcae17e69fd4
Markdowne9c7d60378cd4938be7f866fc2feda1a96526a2f66081b2fdda0a2121c77773e
PDF
Publication page5f2109ff31c541c3e854ab553685b937c09539b461701b515050954b3b9dbc0e
Manifest92d1be16632fbfb1758240ddd2e06619aa05203c03e952ed23262130cf82d489

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
Signaturen1fNP5aMQxJSbbRjMKxS++L6OyAcmVUzCJaOVI7vt8jLDMXU1jivhwF2+EJwpRcubKqGTh5NcLxeTwd6kCLOAw==
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

2026-09-17T10:14:42.496231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075900
observed 5f2109ff31c541c3e854ab553685b937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:42.477393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075900/manifest.json
observed 92d1be16632fbfb1758240ddd2e06619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:42.457216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075900/publication.md
observed e9c7d60378cd4938be7f866fc2feda1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:42.314047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075900/publication.txt
observed 1dddcf9f9ef8a39b36efcc54bb696091...
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.