OpenTechnical

OT-2026-000021030

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000021030) never changes.

Identity and time

Publication numberOT-2026-000021030 · never reused
Internal UUID01a0ae6f-65e4-7306-b8e2-809a96acd727 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021030
StatusPUBLIC

Content hashes

Canonical text3ef73b57c9481143fb26db9fe89c4ad6a205350eda377c291ff93dce492884d6
Markdown165ff8bdc50071f6337551327e74c4dc9f724830c0cca45f8f3cb9396a5c5372
PDF
Publication pageaac2b88f1e4447af4735e629099936de7b745e8aad0af99c6b292206c9cca003
Manifestc7caf5b499e2f9cca9c9000dc995d7a82362024125f3998d9a139d049c421ee6

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
Signaturecyz6La3zFhq+ZGWDG1GpWb//Dq5YJxTpdRHTDeofjGPzylTx0L4kcq6wsCA0M6DR79e/LSa+nI9jKmnIRYTVDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:11.565393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021030
observed aac2b88f1e4447af4735e629099936de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:11.547615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021030/manifest.json
observed c7caf5b499e2f9cca9c9000dc995d7a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:11.527866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021030/publication.md
observed 165ff8bdc50071f6337551327e74c4dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:11.508926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021030/publication.txt
observed 3ef73b57c9481143fb26db9fe89c4ad6...
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.