OpenTechnical

OT-2026-000071662

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000071662) never changes.

Identity and time

Publication numberOT-2026-000071662 · never reused
Internal UUID01a0ae92-1e91-77e6-99c5-e5c7112ce0ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071662
StatusPUBLIC

Content hashes

Canonical texted89df0678d37cbb4b261c59a58078ed585f75ea8e31e077a2f3e6f2e05136d0
Markdown77fe71d6959bb6d59a1a8e7ebba7ec229a8cfdd4381a0691b44a48041a03bb77
PDF
Publication page11ddeb3dc600f6d901fa411a78b14706f0a92d94971c336bbaafce39efe09228
Manifest48a7028ea2ea8fc1ad876437ef5e501160100eb5db5b770135b3c31d3db6c3e0

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
SignatureJIese8GmCIy16c/SZxwUxzQdzC3PSbsFxbmLn+UwTgHJsOyqlocKKiOhiJuGFvboJwnphTKyqhkAyPsffgANCQ==
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

2026-09-17T10:23:41.685144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071662
observed 11ddeb3dc600f6d901fa411a78b14706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:41.668927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071662/manifest.json
observed 48a7028ea2ea8fc1ad876437ef5e5011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:41.651665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071662/publication.md
observed 77fe71d6959bb6d59a1a8e7ebba7ec22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:41.635172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071662/publication.txt
observed ed89df0678d37cbb4b261c59a58078ed...
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.