OpenTechnical

OT-2026-000074325

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000074325) never changes.

Identity and time

Publication numberOT-2026-000074325 · never reused
Internal UUID01a0ae93-7179-7379-97f4-001b7d5a8d8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074325
StatusPUBLIC

Content hashes

Canonical text6f463cdb19e08a8874bdf0c8fc848c9b16625b2c7f372d9de1131e55868c6baa
Markdown9ba7affa782220c36da0477f1dc8795be853fe9ee5c520b183d21bd61705c1f9
PDF
Publication page586bc453b59aacbd681812822b729a41e71bec8439680319e90c794d35876464
Manifestb41528ddab7dab6b469cd298b4bc50400093e174fcd589f643b6739ad24a1277

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
SignatureCO+vgZrDA88wvNPm458bRmdSs9y3ESSybNff9D8jhD4QFPGBkdtK55hAkFiUOvvWdDzHuhg+sriz2EieBBLzCg==
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

2026-09-17T10:19:14.469343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074325
observed 586bc453b59aacbd681812822b729a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:14.450690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074325/manifest.json
observed b41528ddab7dab6b469cd298b4bc5040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:14.432600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074325/publication.md
observed 9ba7affa782220c36da0477f1dc8795b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:14.412499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074325/publication.txt
observed 6f463cdb19e08a8874bdf0c8fc848c9b...
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.