OpenTechnical

OT-2026-000046328

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000046328) never changes.

Identity and time

Publication numberOT-2026-000046328 · never reused
Internal UUID01a0ae7e-57cb-719d-808a-39f9e8c67a3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046328
StatusPUBLIC

Content hashes

Canonical textafc9064db2db2695e4af5253c84cf8fb29d013aa5e1dfc0bc7aa9722442ef498
Markdownc52e8ace61c0a6ccc728d0e2f3cf85796eff2989d0dcd1d8eb10cde4c7261b3a
PDF
Publication paged65010cc3c4c57fb404dee74cb3d430eef51309ccf190987659220bcb8d753e7
Manifest20c32a58fa0cea2aef75b0bd240f0dd63213ca983afddf60f6b13ac14068ec47

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
Signatureapo0swWGvYjULt6IOryGjvXpVoh1ncb9hpIUdpfwCRJcZgUhhr28y6GcRcOWETHB4Sf5v4uTc6zXMgH8rS3MDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:08:18.564841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046328
observed d65010cc3c4c57fb404dee74cb3d430e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:18.546828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046328/manifest.json
observed 20c32a58fa0cea2aef75b0bd240f0dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:18.528288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046328/publication.md
observed c52e8ace61c0a6ccc728d0e2f3cf8579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:18.509324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046328/publication.txt
observed afc9064db2db2695e4af5253c84cf8fb...
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.