OpenTechnical

OT-2026-000074424

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000074424) never changes.

Identity and time

Publication numberOT-2026-000074424 · never reused
Internal UUID01a0ae93-717a-71a8-8b0c-047e7ba27be3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074424
StatusPUBLIC

Content hashes

Canonical texte397de0926d0599c4f975c57c4643db4fa4163d6c983ff2c9683f0c3c2d3591b
Markdownee9b9058b9924f21f64e4015033a67d676071473459b4bc7fd712fe244988b0a
PDF
Publication page48d3315ff58a5ddcc3bdbd5ef30c3219e5da3ae8d229a369ebbc224dd93e5966
Manifestac011c5470707f037d5a8b0e09d280750b1501246e1111cadef8765085c6f2e6

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
SignatureHAPqfJvdpT0GkjJ0IAhsEwopYttTWsUFzmu7nQmbs3YwUzsC3B+9LHfHnUjvrvva0bpDRNoStSPTpZ634Uz2CQ==
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

2026-09-17T10:19:22.346987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074424
observed 48d3315ff58a5ddcc3bdbd5ef30c3219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.329777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074424/manifest.json
observed ac011c5470707f037d5a8b0e09d28075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.311312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074424/publication.md
observed ee9b9058b9924f21f64e4015033a67d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.293669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074424/publication.txt
observed e397de0926d0599c4f975c57c4643db4...
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.