OpenTechnical

OT-2026-000103402

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pulsed blow-off after set-down

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-2026-000103402) never changes.

Identity and time

Publication numberOT-2026-000103402 · never reused
Internal UUID01a0aea4-e460-7272-9cc6-60db46f37842 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103402
StatusPUBLIC

Content hashes

Canonical textf87ced5c412f9f660eaa078c6e925afdc6bd69a799f640224d00a5ab6ad560ab
Markdowna562ac4de399e49af45139bd4c43dde5ee441ca68e8b56f60999854d8581d1a2
PDF
Publication page1e716870254a55c9ebd5c544c2e578e353e6836d5529c9aeca799f685ce7ebc7
Manifest2651358b072c076be3634d6a13da9417c75d8b3e6262be7f803558e20efc921b

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
SignatureGQpBVCryvJEScBrsE3c7+3rE4Z9ib0eOENxMr3QrLr2jWWPsRjB/NR0e4YnDjEVYTGRkujJt+slLomqakZePDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:08.765787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103402
observed 1e716870254a55c9ebd5c544c2e578e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.750024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103402/manifest.json
observed 2651358b072c076be3634d6a13da9417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.732316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103402/publication.md
observed a562ac4de399e49af45139bd4c43dde5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.715108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103402/publication.txt
observed f87ced5c412f9f660eaa078c6e925afd...
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.