OpenTechnical

OT-2026-000100485

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000100485) never changes.

Identity and time

Publication numberOT-2026-000100485 · never reused
Internal UUID01a0aea3-66f0-7bd0-b609-2a71e5a2722c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100485
StatusPUBLIC

Content hashes

Canonical text40d707c454dc3e2be9478d762fa2b4332bf2d62e63735146133a4d9b483e3bbc
Markdowne44ce38fc13705ee12fc34c3aa9fc42dae123cb4e5dd939e90d88c2fa5fb5146
PDF
Publication page664d43972212bca75ddfa95d4f810e44e9bfb5ec0c7c7ca9a9a7592d714761a1
Manifestd952167ffbd9480dfb6e4aab24333fe23b7c48d662519ff046953fb0fbc7a7f2

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
SignatureuC9Gr0UXAoIjGi+srK6M6oHkq+l86Zhcuhs08TecXnOdCe6aIx0tQYotjMpSVPhr2porvTOVONqO9mc9GiLFBA==
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

2026-09-17T09:27:14.615677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100485
observed 664d43972212bca75ddfa95d4f810e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:14.598296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100485/manifest.json
observed d952167ffbd9480dfb6e4aab24333fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:14.579437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100485/publication.md
observed e44ce38fc13705ee12fc34c3aa9fc42d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:14.561719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100485/publication.txt
observed 40d707c454dc3e2be9478d762fa2b433...
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.