OpenTechnical

OT-2026-000062403

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000062403) never changes.

Identity and time

Publication numberOT-2026-000062403 · never reused
Internal UUID01a0ae8c-0abf-7e19-9e66-d60d7bd72c06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062403
StatusPUBLIC

Content hashes

Canonical textb972f5be01b5c8838ca21bd2817d9b068af79dedaa5a3e5716b00ad3db66e6dc
Markdown782051e49a9d47ead06776e2909a884034d6cb11a559203cce8ad77b36a15e80
PDF
Publication page926ccb0f343bb52cdc388b60b506ac2a64421306a76d2ee7e35b5011c519a6f6
Manifestdb3a5a283c3afbebf1b657829f967df1ff39e03e985ee2ce38d15a42ac127305

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
Signature/MY2AB6MFCTCDyHgJFWjy1Lc3oAWpvELZ+DTT2w7Nn3l2wMTTEWLD7aN/OQonFG3kQU2bG/Omujjc60F7ki2AQ==
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

2026-09-17T10:39:43.855403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062403
observed 926ccb0f343bb52cdc388b60b506ac2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:43.835664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062403/manifest.json
observed db3a5a283c3afbebf1b657829f967df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:43.814967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062403/publication.md
observed 782051e49a9d47ead06776e2909a8840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:43.794434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062403/publication.txt
observed b972f5be01b5c8838ca21bd2817d9b06...
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.