OpenTechnical

OT-2026-000082220

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented after set-down

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-2026-000082220) never changes.

Identity and time

Publication numberOT-2026-000082220 · never reused
Internal UUID01a0ae97-4d94-7d98-9751-f10413089399 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082220
StatusPUBLIC

Content hashes

Canonical text9781c0b4571caac49023b575d9ee826f8fae6f1b7d584f03cbb34d0329804c37
Markdownb057bbeb5ce2b44e26eb3eee175d5a83bfa1cfce1ffd5aae0bd5ad438f980f96
PDF
Publication pagee4654f8badbe783ae2657089360b3413d5b3290d5e01064d7e7757efe7e8a472
Manifestac6cc6102817deb31a76fa5ff052107f2360b5c020d9b46e2800fb728ce9e439

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
SignatureYgdsZIcJHQ+IU2hzPKrp75xc8JnY5SHu43Bxp4dbPWy7suQq9z8k0uHpocBoGI+EdrtgePVttnJXxdK+44iQCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:03.607002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082220
observed e4654f8badbe783ae2657089360b3413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:03.591269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082220/manifest.json
observed ac6cc6102817deb31a76fa5ff052107f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:03.575509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082220/publication.md
observed b057bbeb5ce2b44e26eb3eee175d5a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:03.555435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082220/publication.txt
observed 9781c0b4571caac49023b575d9ee826f...
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.