OpenTechnical

OT-2026-000081423

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, sustained blow-off before 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-2026-000081423) never changes.

Identity and time

Publication numberOT-2026-000081423 · never reused
Internal UUID01a0ae96-f375-709b-86b0-febceaed99fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081423
StatusPUBLIC

Content hashes

Canonical text0fc7a133814acdca5737af48889449d00f82b5b20abb2419d9e47ba469d5006b
Markdowne4b5c616bea79fc69b843ae1af28219b2fe476b61686dbbac3b2ac5830f6501a
PDF
Publication page2312fcff4e9c4ada4df7ff9eae1fbc847f71accea14537556be5a6a4b0423bc7
Manifestf7697016f76966d8aae3541dcf755c70fd0c146d9df1b6f1c58b577895d1e679

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
SignaturevJfiOSN/Wk+h3wtl1bMBg0eqKLt9P5+OMMxROPbplPcWY0LwejO04GmIoQOCBu/dDly0+q0v5RCBp16D1Ah+BQ==
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

2026-09-17T10:01:34.648658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081423
observed 2312fcff4e9c4ada4df7ff9eae1fbc84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:34.630857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081423/manifest.json
observed f7697016f76966d8aae3541dcf755c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:34.613282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081423/publication.md
observed e4b5c616bea79fc69b843ae1af28219b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:34.595719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081423/publication.txt
observed 0fc7a133814acdca5737af48889449d0...
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.