OpenTechnical

OT-2026-000027622

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000027622) never changes.

Identity and time

Publication numberOT-2026-000027622 · never reused
Internal UUID01a0ae72-6999-7cf1-87b4-e1c334588b0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027622
StatusPUBLIC

Content hashes

Canonical textc04b52cc94ce8a7d612ddc21d9d9f113cd9eee0cad06d5a2d03f8cbce85ac080
Markdownec69c63ca99c3bc430d34cd9aa92cb4619b70747905a034cb8ecf2f01d09b167
PDF
Publication page8e352df202d5a99460a78888c39ad0825ea3978c6ff15138cfe43a49aa91ad98
Manifest195ab55390598b684e7d3b8c3e98bf7b1e4b1a819754778ef5fbe9d310b88835

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
SignatureSlPk19u24F+TjPpkcLaaGqNDsFHO9WIUl0E3+9Tp8hovLFw4TqQQ3t2NaKan75Ggavl+8TKQ7gZchEuq8iu0BQ==
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

2026-09-17T11:43:08.540591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027622
observed 8e352df202d5a99460a78888c39ad082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.522875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027622/manifest.json
observed 195ab55390598b684e7d3b8c3e98bf7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.505170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027622/publication.md
observed ec69c63ca99c3bc430d34cd9aa92cb46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.487118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027622/publication.txt
observed c04b52cc94ce8a7d612ddc21d9d9f113...
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.