OpenTechnical

OT-2026-000077702

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000077702) never changes.

Identity and time

Publication numberOT-2026-000077702 · never reused
Internal UUID01a0ae95-2ecf-736f-b1e9-0d69f55976db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077702
StatusPUBLIC

Content hashes

Canonical text2ddbfdb8d2f7d57a45851f79b8e44aa6474275649593ebb746e86dfb67203b97
Markdown2c6845b6ba988a08aefa0c93ef94a6a6a830da135640f76bdce61190b1078848
PDF
Publication pagec887ba45f0cdcd2c2d9ce421f6d91931b65e0c7230ad713a43d7cf37a56a4a88
Manifest9e53a2fa3da761f1690d3dbc1a47ff12d8a41a210eefbf3a406bff5df3704d53

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
SignatureBzCyB6qd1tfF8pgYJBD+ki03Z+sPm2sGB06K/o8nUpYI01zi1irM954AaxzvB4gGaMq4AnV3JYBeqhj9Xc2rCA==
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

2026-09-17T10:07:16.538396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077702
observed c887ba45f0cdcd2c2d9ce421f6d91931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.521564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077702/manifest.json
observed 9e53a2fa3da761f1690d3dbc1a47ff12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.503567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077702/publication.md
observed 2c6845b6ba988a08aefa0c93ef94a6a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.483509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077702/publication.txt
observed 2ddbfdb8d2f7d57a45851f79b8e44aa6...
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.