OpenTechnical

OT-2026-000060089

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000060089) never changes.

Identity and time

Publication numberOT-2026-000060089 · never reused
Internal UUID01a0ae8a-5a71-72ab-b3bc-a0d83973398b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060089
StatusPUBLIC

Content hashes

Canonical text9e333ebf8a88a93611f17cfa8fa82523553b9ae7a4c864550409a90e60669640
Markdown5ce02aafd492cb2dae7f26aca2eb61a491e7dd6640500f8f645dcaaa2d146d51
PDF
Publication pageb622437e3e5e7dede5ce0566e4c492a92855cc5232c12eec9f4969a189ef82a5
Manifest49a6cf6c79b55c4aaddf18ede6d19ffafafb19665c2ba324f171e5dcb05fd024

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
SignatureYu+07d8v6K5tZsjH75P8tnkwGXAQYLQRYbsnuDtp8FVErgvyOGSlaWokBWe1h5aexHIt3AI/ENFN0IDyouNmCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:43.765023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060089
observed b622437e3e5e7dede5ce0566e4c492a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:43.746254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060089/manifest.json
observed 49a6cf6c79b55c4aaddf18ede6d19ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:43.728041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060089/publication.md
observed 5ce02aafd492cb2dae7f26aca2eb61a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:43.707459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060089/publication.txt
observed 9e333ebf8a88a93611f17cfa8fa82523...
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.