OpenTechnical

OT-2026-000019237

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000019237) never changes.

Identity and time

Publication numberOT-2026-000019237 · never reused
Internal UUID01a0ae6e-f391-71cf-b24a-6e5a162b924b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019237
StatusPUBLIC

Content hashes

Canonical text4c3722d936f74af836085a582f392ad0fbbab2dd9627ba980df288f0d694cb30
Markdown68c8faf08d8ac537889253acb814634d04d0236fa7047fd0779bc94e20a4b6c7
PDF
Publication pageeab23a0ea35513874a0f1a59a8c91858e6cce8b8f2fbca03a0a216ae4c052b00
Manifestd6fbe67a6be7af2a5a78cfb9b6123b322007e81d20caff9a339960c9e408da10

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
SignaturehigDqHcrl28AybM/qVgLNqRcrXrHMGo6e3mPC8E4FGFxj3bch5sQk7i+kT2IJmKx8QxNXfShsz9x6mf8OQEcBg==
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

2026-09-17T11:58:34.124386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019237
observed eab23a0ea35513874a0f1a59a8c91858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.107675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019237/manifest.json
observed d6fbe67a6be7af2a5a78cfb9b6123b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.089339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019237/publication.md
observed 68c8faf08d8ac537889253acb814634d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.070565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019237/publication.txt
observed 4c3722d936f74af836085a582f392ad0...
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.