OpenTechnical

OT-2026-000080761

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, sustained 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-2026-000080761) never changes.

Identity and time

Publication numberOT-2026-000080761 · never reused
Internal UUID01a0ae96-b974-7a0f-b0a5-908f24addd66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080761
StatusPUBLIC

Content hashes

Canonical textc1f3a866ce6ad7f0449c5cfc7c43beb036511f1d9b29116341aa5a29afa69e53
Markdownd2cf1af004899ce06fdc1093e07d1d2ae0bd5b7ff02d88460ab64d41d54eed0a
PDF
Publication pagecf9df0aceee4949d162c7714f6a697f93b9d0cccedcf8ccca9dddcf024f84867
Manifest9d80cc033cf83fe468d7cd7c35ea91a7e6d471554f9b52193d26ea66c571103c

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
SignatureMnTihJQAni64W37yCotKonLflUQ3P4pWPfPyrY9iyXei2qr7EOcgWOgBH4iFKsfqVoaCUJy58rgNi9MEaJ4XDw==
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

2026-09-17T10:01:55.554329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080761
observed cf9df0aceee4949d162c7714f6a697f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:55.534879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080761/manifest.json
observed 9d80cc033cf83fe468d7cd7c35ea91a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:55.516340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080761/publication.md
observed d2cf1af004899ce06fdc1093e07d1d2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:55.497971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080761/publication.txt
observed c1f3a866ce6ad7f0449c5cfc7c43beb0...
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.