OpenTechnical

OT-2026-000088112

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000088112) never changes.

Identity and time

Publication numberOT-2026-000088112 · never reused
Internal UUID01a0ae9b-1aa7-7718-bfa2-d92d8dfd558c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088112
StatusPUBLIC

Content hashes

Canonical text65887361311c5b0d591d65c7555a38241491a997a388f5c0c5e866f82e6faa98
Markdownc76f6b7194643423dd3f579b2cd1033995e15d970ba92942cd4c6505c53e91e1
PDF
Publication pageaa418dcc8e18642c67a815cb85d2c3572e663791daa648d2ab90b04128d957df
Manifestaa746bbfab22a61049afa965eb3b219cb03f5bb0bf283054fd9444caa576ff87

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
SignatureLb7fDQzRb2FgNh6xUgT1sRK756dj6rOavwoi6ZDNY8p3SEzwsRSHBaVZ/04BAaFQ713ILIZQfepffw2eAFYbAQ==
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

2026-09-17T09:50:05.167206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088112
observed aa418dcc8e18642c67a815cb85d2c357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.148245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088112/manifest.json
observed aa746bbfab22a61049afa965eb3b219c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.129045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088112/publication.md
observed c76f6b7194643423dd3f579b2cd10339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.111935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088112/publication.txt
observed 65887361311c5b0d591d65c7555a3824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.357919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088112
observed aa418dcc8e18642c67a815cb85d2c357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.340528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088112/manifest.json
observed aa746bbfab22a61049afa965eb3b219c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.321248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088112/publication.md
observed c76f6b7194643423dd3f579b2cd10339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.303684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088112/publication.txt
observed 65887361311c5b0d591d65c7555a3824...
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.