OpenTechnical

OT-2026-000018249

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000018249) never changes.

Identity and time

Publication numberOT-2026-000018249 · never reused
Internal UUID01a0ae6e-b488-7695-9264-f614d365338f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018249
StatusPUBLIC

Content hashes

Canonical textad0cb5885775eadc29a692552ecdcefb9817c6659a08039e2bdf9fc9dc79c8bb
Markdownff23cd4bda095f7004b66146cb3a0b5e035b1b5b54529cf3b197df1cad27b61d
PDF
Publication page08d736b7c6af942d49c08acf6e34faddec3ec89f7905dccaf0993b38d8988e26
Manifestf8d3e407a9871374a3276d1838865832d4163f79ce3412e348f66286e6f82bf5

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
SignatureoyXobqml4xERA6yH1lxwgJJTKxjNdFdWeEs6lkSO1may2H8n8ctUFDCxHdPIthOlhg7dsB2AzXL2waCHGG3kDg==
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

2026-09-17T12:00:04.269474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018249
observed 08d736b7c6af942d49c08acf6e34fadd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.244458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018249/manifest.json
observed f8d3e407a9871374a3276d1838865832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.221796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018249/publication.md
observed ff23cd4bda095f7004b66146cb3a0b5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.196156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018249/publication.txt
observed ad0cb5885775eadc29a692552ecdcefb...
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.