OpenTechnical

OT-2026-000066620

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000066620) never changes.

Identity and time

Publication numberOT-2026-000066620 · never reused
Internal UUID01a0ae8e-ce41-7307-a28f-a67d9b69b601 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066620
StatusPUBLIC

Content hashes

Canonical text2becee1071ba6e5233b98210283c814ff7c658b8908ca410ba82ffa4de423f35
Markdownaa634879fe2ff07405700ed42c1d43d00794f62dceacd3fbc0893719cdb599a7
PDF
Publication page72a27a104ff851335b6baea34d761de010d6f8dba0bb1ddf6337a44f4ec30e80
Manifest2354ed0843f5201a688a4dcac78f0dbd537ea5532fbe67525aeb22bc4aba75a9

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
Signaturerj5vRmVI7n3voxxNgMDgIOyWBgVMFD3gLM6EvbYWBelGyzrccu+EdaO54sixLgsalviuyWFPIYXtC2tY4nVADQ==
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

2026-09-17T10:32:59.753337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066620
observed 72a27a104ff851335b6baea34d761de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:59.733823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066620/manifest.json
observed 2354ed0843f5201a688a4dcac78f0dbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:59.715521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066620/publication.md
observed aa634879fe2ff07405700ed42c1d43d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:59.698662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066620/publication.txt
observed 2becee1071ba6e5233b98210283c814f...
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.