OpenTechnical

OT-2026-000042742

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000042742) never changes.

Identity and time

Publication numberOT-2026-000042742 · never reused
Internal UUID01a0ae7a-c0cf-707e-abee-36bb2ae423da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042742
StatusPUBLIC

Content hashes

Canonical textb6fe759278ce66ec0a92e7396f5c52da8d41ea2a1fa3e61396aedccb94a73730
Markdownb63607795c4a2369737cbc09d60ab64d81bd28c082c52a869f0dafa9baca5089
PDF
Publication page84717ad10af59d0f4c590bf0686ac7108f64e894103037ca6a305e6beac6e3d0
Manifest87a6e7f4cb16d9d96df7689caf94e7551e7ee5900b976f5aa3aae9e2d9f3fdaf

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
Signature4VjOVApN6/KBEoQgZcMfK0I5Sv945/nVkfpCniLiYrvMTXGv0lfUvfEaRU8ngme+q85QaxYbhdVoAvNksMLtDA==
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

2026-09-17T11:15:11.401555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042742
observed 84717ad10af59d0f4c590bf0686ac710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:11.381091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042742/manifest.json
observed 87a6e7f4cb16d9d96df7689caf94e755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:11.335679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042742/publication.md
observed b63607795c4a2369737cbc09d60ab64d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:11.276746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042742/publication.txt
observed b6fe759278ce66ec0a92e7396f5c52da...
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.