OpenTechnical

OT-2026-000088163

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000088163) never changes.

Identity and time

Publication numberOT-2026-000088163 · never reused
Internal UUID01a0ae9b-1aa8-7656-b0cf-441cfcacfdbb · 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-2026-000088163
StatusPUBLIC

Content hashes

Canonical text56bb8e41b5cd9ad62e62321773aa05dc8f0ef3bd1ee4850da892c58a53988b07
Markdownd94c2133755ba0ef2d15dea88c24410f5e4e13267b16a792210bb781be1944a9
PDF
Publication page893949fb01109b751f2645517f4ecc538075be1191fb215cbf0fdaba5a825b15
Manifestbd065c537636ccf26ca6807d0b9d85753c8b8a20ceb99c3b2b4065a01ff39861

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
SignaturePTFOeojSPUJP1P6+8KpKjrtdEy1ZqH3gOiEOcRwN71GzJoQopZU5Ux/1WaOHktm/62IjjARDoqSbYfVyYhI2BQ==
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

2026-09-17T09:50:12.398615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088163
observed 893949fb01109b751f2645517f4ecc53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.378335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088163/manifest.json
observed bd065c537636ccf26ca6807d0b9d8575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.360287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088163/publication.md
observed d94c2133755ba0ef2d15dea88c24410f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.343216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088163/publication.txt
observed 56bb8e41b5cd9ad62e62321773aa05dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.698647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088163
observed 893949fb01109b751f2645517f4ecc53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.681196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088163/manifest.json
observed bd065c537636ccf26ca6807d0b9d8575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.662843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088163/publication.md
observed d94c2133755ba0ef2d15dea88c24410f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.643124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088163/publication.txt
observed 56bb8e41b5cd9ad62e62321773aa05dc...
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.