OpenTechnical

OT-2026-000100047

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000100047) never changes.

Identity and time

Publication numberOT-2026-000100047 · never reused
Internal UUID01a0aea3-1474-750d-8ddd-acb1a85f7dfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100047
StatusPUBLIC

Content hashes

Canonical text9bf34cb030031659a2b5b6adb8c361925db352a34e29234323b1bd02de725f1d
Markdown9023ce14f6a24e03c8d26233cb35cd22e840951b2e1badc7ff279386e8c1b167
PDF
Publication page873c2a2f1b3689987f325bbc69cf921122d403763a814f7eeb62875de3ab9579
Manifestf040643fd31637db473e9ddde013bc124717a3f3b240b901961b49dfeb09104c

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
Signature0LutUtj8qh3XpX8QxgWM3sCYOQ8aBcFuSQ+P2jdZFJqZ99pZyzCZGqK90k1UnxuXAJSOuLhnVGoVAYzQkNzACg==
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

2026-09-17T09:28:59.219347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100047
observed 873c2a2f1b3689987f325bbc69cf9211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.201481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100047/manifest.json
observed f040643fd31637db473e9ddde013bc12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.182304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100047/publication.md
observed 9023ce14f6a24e03c8d26233cb35cd22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.163922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100047/publication.txt
observed 9bf34cb030031659a2b5b6adb8c36192...
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.