OpenTechnical

OT-2026-000066677

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000066677) never changes.

Identity and time

Publication numberOT-2026-000066677 · never reused
Internal UUID01a0ae8e-ce42-72b6-8207-0313c628b085 · 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-2026-000066677
StatusPUBLIC

Content hashes

Canonical textbd04aefad6686a810fb2679e82c7fe2f872fecc20f632c9ba9cf1a927efd758f
Markdown66b38e005a548537d7b20529e892ae3901967c3bbe6cab857fc4f23a40fbbc4e
PDF
Publication pagee9670193341cef8054b1f8fdd0bee83cd9fdd4c047aae2e1556bb4446f4e5ea9
Manifest7fc7f5dd8f9ff594e3aed92fdf93fef335680e390906d0e5a39339fea31727a1

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
Signaturex3P3Tlu2yPtucVEtVNMkQ8jNYsY0le/+0sp0VSPsxbpGHRUwtgPTbOnnrk2u0ItxQOskWLRCrEJRSuEh7ljyCA==
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

2026-09-17T10:33:04.252922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066677
observed e9670193341cef8054b1f8fdd0bee83c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:04.233682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066677/manifest.json
observed 7fc7f5dd8f9ff594e3aed92fdf93fef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:04.214297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066677/publication.md
observed 66b38e005a548537d7b20529e892ae39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:04.195169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066677/publication.txt
observed bd04aefad6686a810fb2679e82c7fe2f...
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.