OpenTechnical

OT-2026-000044030

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000044030) never changes.

Identity and time

Publication numberOT-2026-000044030 · never reused
Internal UUID01a0ae7b-d679-7aad-bd1b-2c0f31629e30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044030
StatusPUBLIC

Content hashes

Canonical text4b719a918d40dffc6b9606ac95262cec011c3c7db914f2eff3903c3bede01b3a
Markdown35e32b5a67669c7e470215d7a01ca642bf9228ea773c58626bee7ee5e9e3922a
PDF
Publication page1034eb2d9194df057b6b4883a7e15b4c548dc3d1d1a9159a83a608e690d2a6c6
Manifestc45d806ab0d3aed5cb7ed798a31d4df29db72ce9f1ed8150657660439f0b6efa

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
SignatureG3YNgLT68lT7PUNDiq4HxFff1lFpVzPb2XJLqK3tmrSClKF+he6xwDLm3XlpS+UHu8SztBUQBZwNeIDAl/L8Ag==
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

2026-09-17T11:12:25.036219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044030
observed 1034eb2d9194df057b6b4883a7e15b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:25.018052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044030/manifest.json
observed c45d806ab0d3aed5cb7ed798a31d4df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:24.998508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044030/publication.md
observed 35e32b5a67669c7e470215d7a01ca642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:24.974459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044030/publication.txt
observed 4b719a918d40dffc6b9606ac95262cec...
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.