OpenTechnical

OT-2026-000069972

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-2026-000069972) never changes.

Identity and time

Publication numberOT-2026-000069972 · never reused
Internal UUID01a0ae91-1860-7397-b60d-c1fa235a4533 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069972
StatusPUBLIC

Content hashes

Canonical text2fe4076be788c2b02d506866ccc6a16663b9481fd9705c1da3aea54cf20ed16c
Markdown2f54bfbb9be6c81c084819c222235bc27b0537013caa789f6dcc868a246a83b6
PDF
Publication page2bfe5e005afaa549b1d9e8e92dbb9d712debe9d06e25731de419e17b255c20eb
Manifest949bb787ba17d7d221f996dc03d4ffd1171d5b3d8985af958a5273a836300491

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
SignaturelPC5lWLEjlHbZznNh7QxIY/eHHIl1DVFn+IRfKaVLGJ7ZFb0mxsw5mwOcBYTuf+WQ9AMBWdueffYP5upW4MbAg==
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

2026-09-17T10:26:54.901837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069972
observed 2bfe5e005afaa549b1d9e8e92dbb9d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.883773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069972/manifest.json
observed 949bb787ba17d7d221f996dc03d4ffd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.866565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069972/publication.md
observed 2f54bfbb9be6c81c084819c222235bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.850475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069972/publication.txt
observed 2fe4076be788c2b02d506866ccc6a166...
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.