OpenTechnical

OT-2026-000095036

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, 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-2026-000095036) never changes.

Identity and time

Publication numberOT-2026-000095036 · never reused
Internal UUID01a0ae9f-2df0-7cbb-9e30-abcf2fd6f390 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095036
StatusPUBLIC

Content hashes

Canonical textcab45a7bc16cca9bc7f81f03c397913335256718fa8c0da24dd3ca97348c2bdd
Markdownc4d56ab2bf483d106809eb27def9a5183733e2e937305bb3ac7c72a4e00b4ff8
PDF
Publication page9fecee3c48b2dc33c31f33bddbdb939f943e74fcbec5c157967314d027b8041d
Manifest04682523c42d802d6e3594e0d512960cd6740673b7c1dfb0b4cb9a3acda6c8a1

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
SignatureIjaq8qc7VUAXpIr+L2PcW6D8Xx2ZN8M8gbJLuXVk6eRHBi8pXlv7oO49qdIZ2H9GchB4f/X4f0Y3bGyYNdLoCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:35.993696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095036
observed 9fecee3c48b2dc33c31f33bddbdb939f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.977187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095036/manifest.json
observed 04682523c42d802d6e3594e0d512960c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.959509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095036/publication.md
observed c4d56ab2bf483d106809eb27def9a518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.943435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095036/publication.txt
observed cab45a7bc16cca9bc7f81f03c3979133...
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.