OpenTechnical

OT-2026-000103787

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000103787) never changes.

Identity and time

Publication numberOT-2026-000103787 · never reused
Internal UUID01a0aea4-e463-70f8-a726-a78d99d947cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103787
StatusPUBLIC

Content hashes

Canonical text85cbbb10c3452ba3206dee22593f18d97afe88cc590e89a36337f19e439aedb4
Markdowna938d9326552fa58943e38599e8b201bf53175f4731cbcacc3a379c1f378e33c
PDF
Publication pageb6ab908ffcebcaa7a85efc17fdb5ef8723850137e05c10a015467bbc5fee90ba
Manifesta7d8540c636bc3b617e48721fff3376b988b589ba0976a469525414b4ffb08ae

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
SignaturexfiGs57VK2ZPhNuAHPbuD7UpkO7gnZ78XLiMfPfLQGhwyuPhK2zf4LucqNb9faBp0fAN1WVUrfb+d14OSoF+AQ==
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

2026-09-17T09:22:44.414326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103787
observed b6ab908ffcebcaa7a85efc17fdb5ef87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.396752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103787/manifest.json
observed a7d8540c636bc3b617e48721fff3376b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.381777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103787/publication.md
observed a938d9326552fa58943e38599e8b201b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.365347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103787/publication.txt
observed 85cbbb10c3452ba3206dee22593f18d9...
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.