OpenTechnical

OT-2026-000030758

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off before 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-2026-000030758) never changes.

Identity and time

Publication numberOT-2026-000030758 · never reused
Internal UUID01a0ae74-3fb4-781a-97e4-3d78e4b174a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030758
StatusPUBLIC

Content hashes

Canonical text97ee0c057d18d52eb294dcf07d5207951ae4a5f8c1d63c2518924bab717d75f3
Markdown1cc155fe6d095c1f8545f003431f9ca1d7d6640f79829fb5400529760c7d1520
PDF
Publication page50111c4355c21197e19db5d271db7438da30f5feef551992756b729187511996
Manifest478b5d8a42bfbf2b8fa117c6bddf459772369efdbb66c3b952177f01feb34713

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
SignaturemZ5y78eNpU9v79kufbxbDp3oxyuqTks4fWiK3d5DhTN+dzzKgqsBK1WAwq0+dr3qztC8/b2OEablN3lYUSzWBQ==
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

2026-09-17T11:36:42.544372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030758
observed 50111c4355c21197e19db5d271db7438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.526133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030758/manifest.json
observed 478b5d8a42bfbf2b8fa117c6bddf4597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.508740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030758/publication.md
observed 1cc155fe6d095c1f8545f003431f9ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.490983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030758/publication.txt
observed 97ee0c057d18d52eb294dcf07d520795...
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.