OpenTechnical

OT-2026-000020854

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000020854) never changes.

Identity and time

Publication numberOT-2026-000020854 · never reused
Internal UUID01a0ae6f-65e3-7194-8122-b13f758a5cc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020854
StatusPUBLIC

Content hashes

Canonical textf394002822fcb03efac327056dd01b375bd58a629ee34acc55441018aa8e24c6
Markdown88b8872d799e83e2ef8f6133e46e9ac5a73422ac51655aff2b9013ab6285d469
PDF
Publication page86e0176adfa2a6b1e9eb251fd7fe9a0bd8b77ae8ed2a27c33893d55fba918656
Manifest7465aa810e8039cd510279c7bf0a2c53d20ba80e8213e767cf62939744a45cb4

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
SignatureDoEITEfjrR8lQbYemQf6dRWZS2zFgfcucP9Lyh6md3oSlP5FBbcXOVvXbYL1kzulIV+KDSdoOipXeO6n6gA7Dg==
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

2026-09-17T11:55:57.235535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020854
observed 86e0176adfa2a6b1e9eb251fd7fe9a0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:57.215143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020854/manifest.json
observed 7465aa810e8039cd510279c7bf0a2c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:57.198443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020854/publication.md
observed 88b8872d799e83e2ef8f6133e46e9ac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:57.181613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020854/publication.txt
observed f394002822fcb03efac327056dd01b37...
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.