OpenTechnical

OT-2026-000081662

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line 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-2026-000081662) never changes.

Identity and time

Publication numberOT-2026-000081662 · never reused
Internal UUID01a0ae97-0f73-72d3-ab80-34061526b908 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081662
StatusPUBLIC

Content hashes

Canonical text9e23fefcb7b849c7533799f27374f8c918cdca557201640b08c75fd24784bf9b
Markdowne5b524681c8f8d9ceb2914fe6b8f823366e73b810c45cd4abcacf423ba6f965d
PDF
Publication page991053406f0c127b1c39143161da78f08dbeeedd1f571166c9ed92d68d3bb470
Manifest1bf45b8b28d603ab16e589d718adbc22af1d8536124e2a1ea980ad935333d186

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
SignatureHollpTjMG9REKUjyz/uPfd458VsXP1kVGIvOoALLWfGbkcdmUQP/ndXVyTUc4O2XFAgrtaKsKgipIK4lMu84Dw==
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

2026-09-17T09:59:43.219869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081662
observed 991053406f0c127b1c39143161da78f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:43.201013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081662/manifest.json
observed 1bf45b8b28d603ab16e589d718adbc22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:43.183267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081662/publication.md
observed e5b524681c8f8d9ceb2914fe6b8f8233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:43.111284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081662/publication.txt
observed 9e23fefcb7b849c7533799f27374f8c9...
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.