OpenTechnical

OT-2026-000018078

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line 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-2026-000018078) never changes.

Identity and time

Publication numberOT-2026-000018078 · never reused
Internal UUID01a0ae6e-96fd-79f0-9568-fd98ddbf6a6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018078
StatusPUBLIC

Content hashes

Canonical textcd79656b59bb1a775d3608b57b3ce0b528ca3da5ea2b74f4ae56b591907d0132
Markdown239435d2d073b82d761f8978f1efef6989587c81ba50f632df4f1ecceecb0a8f
PDF
Publication page4d325b94e8b93d4f4b5cb377a4d2755e66290b113792bdcd2ce5a560062e3a48
Manifestacd16c019d61cfba3e1bab37615b8e4537ed55a5717db3d900cb76a1524599cd

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
Signature/BAyHQ+1atKs9WBWfq+tfi3QL5XMziQ6lXGi5x4V14aiSna7HboE6ymBT+wT48k28VLknNN51lX4u3fx8csPCA==
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

2026-09-17T12:02:07.210598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018078
observed 4d325b94e8b93d4f4b5cb377a4d2755e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.193595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018078/manifest.json
observed acd16c019d61cfba3e1bab37615b8e45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.176882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018078/publication.md
observed 239435d2d073b82d761f8978f1efef69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.158838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018078/publication.txt
observed cd79656b59bb1a775d3608b57b3ce0b5...
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.