OpenTechnical

OT-2026-000030447

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000030447) never changes.

Identity and time

Publication numberOT-2026-000030447 · never reused
Internal UUID01a0ae73-e503-732e-a080-4a60ecd6281a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030447
StatusPUBLIC

Content hashes

Canonical texte64bb4c507a8f4fd35b632a97cc086a05b712aafa33c7b46981bc3377ae653ce
Markdown02d37e375ac5fe36c2aa80a936b948735d757d4f955e0e70a7c58d9482dc3852
PDF
Publication page453e70438e1c36a6e66f19658f592728127160ae6b6dacea2d5f7f8f6c810523
Manifest938f1d7e9f7ac2fd63c61e5fe51f6569c59fa92699d24361c9890e769c850813

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
SignatureN10awU3ABL+dJG3jyHCQl4hxxmuQ4o/ZITY+9IHwcnxhJTkvPT6CPP7/4pFM+MODz1IHVUVJ/bDNewcaXHA2BA==
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

2026-09-17T11:38:11.385407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030447
observed 453e70438e1c36a6e66f19658f592728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:11.367110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030447/manifest.json
observed 938f1d7e9f7ac2fd63c61e5fe51f6569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:11.350409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030447/publication.md
observed 02d37e375ac5fe36c2aa80a936b94873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:11.333389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030447/publication.txt
observed e64bb4c507a8f4fd35b632a97cc086a0...
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.