OpenTechnical

OT-2026-000069468

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000069468) never changes.

Identity and time

Publication numberOT-2026-000069468 · never reused
Internal UUID01a0ae90-b52a-7b28-9131-0b0daaf4a320 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069468
StatusPUBLIC

Content hashes

Canonical text627d3cf395ae1483e00061ca61400ca75a94823b6ba51a8353f48680ea507552
Markdowncf0f39b0da06f69837ed1d815ca8e8fddfe0f7c41fefc8085295c9afd130862d
PDF
Publication page39b322afeb2fe7f3b955852fb39cb9add9ad66b55a338c3fa4cd15cf29ebf0cc
Manifest7c765789b9569977529d10b092216fc37ad2b8310bb2104ec21ddeb5c0f4d925

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
SignatureeQSMYEp+7I9G7u2Z65+PQyi8xWRPDgoZOhgJblLSAneflSndsV+//vBH6R8DSFl3TqqoCwzNfCUy7N4iktQcDQ==
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

2026-09-17T10:30:32.595669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069468
observed 39b322afeb2fe7f3b955852fb39cb9ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.576831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069468/manifest.json
observed 7c765789b9569977529d10b092216fc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.557881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069468/publication.md
observed cf0f39b0da06f69837ed1d815ca8e8fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.538944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069468/publication.txt
observed 627d3cf395ae1483e00061ca61400ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.349580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069468
observed 39b322afeb2fe7f3b955852fb39cb9ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.332339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069468/manifest.json
observed 7c765789b9569977529d10b092216fc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.314802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069468/publication.md
observed cf0f39b0da06f69837ed1d815ca8e8fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.299835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069468/publication.txt
observed 627d3cf395ae1483e00061ca61400ca7...
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.