OpenTechnical

OT-2026-000077561

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000077561) never changes.

Identity and time

Publication numberOT-2026-000077561 · never reused
Internal UUID01a0ae95-2ece-7906-a687-217d2107a098 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077561
StatusPUBLIC

Content hashes

Canonical texta1d394b004e043770b36c7631378f5025db849614cedcc71ce359fd40076ea76
Markdown5ba1271be8d4a19b97c50ff5571809f1fe3274ab7f0e1c8f44ec002fc8d64ac5
PDF
Publication pagedabd0e1ebc7e1992362b90c1e4665cfbffbb55c62df46ee10ec0e643660e7e31
Manifest9825713f583de223ff1873ba7bdc0edf7c69184b4124b683bbd9a9b92b778d54

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
Signature5c1L1+AxF9uHj/JYTaicxQtWsM5CEGZY5thLsvdDtep7Ozh11aa5jpXrnPRxwHa8vbkKJ6Kf3ooqFPZLGW4YAg==
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

2026-09-17T10:07:02.394639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077561
observed dabd0e1ebc7e1992362b90c1e4665cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.374296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077561/manifest.json
observed 9825713f583de223ff1873ba7bdc0edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.357078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077561/publication.md
observed 5ba1271be8d4a19b97c50ff5571809f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.339319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077561/publication.txt
observed a1d394b004e043770b36c7631378f502...
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.