OpenTechnical

OT-2026-000088542

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump 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-2026-000088542) never changes.

Identity and time

Publication numberOT-2026-000088542 · never reused
Internal UUID01a0ae9b-8f0e-71fb-a550-61311f3e4dc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088542
StatusPUBLIC

Content hashes

Canonical text6799d979d932e56107d1df0750c21767cfd8fed908232fec4fd7017319bc7682
Markdown76508293dd2145c3968961ec9f7da39c86d4ea0ce01a3d3d7e893d1c6a37b2ab
PDF
Publication page92b6d6c09e41125b835dc9d3a16a706585a0384c51836b76b1a034067c0624db
Manifeste3465f5d2c57f2a54745a5b74324be4b470937c245282c96b465e9cd4e5872f5

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
SignaturePvC+qcioerB4ZEXmzs9VEbr8WL+OreSUyUEswMEz6kBtbBv5eVAP+xtoqjF+M23EvZxFUQe9dfrh7gx1SF1gCg==
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

2026-09-17T09:47:42.644530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088542
observed 92b6d6c09e41125b835dc9d3a16a7065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.627723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088542/manifest.json
observed e3465f5d2c57f2a54745a5b74324be4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.609681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088542/publication.md
observed 76508293dd2145c3968961ec9f7da39c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.591146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088542/publication.txt
observed 6799d979d932e56107d1df0750c21767...
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.