OpenTechnical

OT-2026-000102901

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000102901) never changes.

Identity and time

Publication numberOT-2026-000102901 · never reused
Internal UUID01a0aea4-be3c-78e5-ad4a-11d672c412a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102901
StatusPUBLIC

Content hashes

Canonical textcfaeb9b67b32814f4049d263d6b9af4917f981b4e5c37e1f8fc9b9f93ccb00eb
Markdownb0a05caeb1aab816c0d4430517b8663760aeb89004bb775aba33a3a4373c6373
PDF
Publication page41bb239cbe1d375caafa3d91d1bf6bddc64189735d32a725f61eda047cf7509c
Manifestae48fc8f28cac5cdfe70e7dd4d454e4621417bbd990fbf84546022f7a13e0ccd

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
Signaturezs9eux+C+fbzd/1lJSY+mUs9D1Y33XDFjPNcxfUxZRUK5D49GFeCfEVG1Rbjl8ePJDYedv/ua+iqF87lE2QQAg==
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

2026-09-17T09:22:54.853850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102901
observed 41bb239cbe1d375caafa3d91d1bf6bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:54.835824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102901/manifest.json
observed ae48fc8f28cac5cdfe70e7dd4d454e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:54.818241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102901/publication.md
observed b0a05caeb1aab816c0d4430517b86637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:54.800640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102901/publication.txt
observed cfaeb9b67b32814f4049d263d6b9af49...
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.