OpenTechnical

OT-2026-000044590

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044590) never changes.

Identity and time

Publication numberOT-2026-000044590 · never reused
Internal UUID01a0ae7c-39d9-7b55-a701-d97291e52c72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044590
StatusPUBLIC

Content hashes

Canonical textca51ce555ca18d8cd6f618a553ee160b9b1124ff1d231503bad520538a5affa5
Markdown17f0a9192f2e56c2e58f86231031d2a3554a2da1525587fe90f7a5f41e39fa4d
PDF
Publication page99163a08aa4b83066ee54bbd8cf406b8e8c73c8f84bbdd56c924a33f3132eff3
Manifest228569256fe96cef98dbc71c399c19e86d59d32feb5cca1f67ac784f8ceedb23

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
SignatureVu+JzVLeyrGfE+SHsTyNCBfrOwD8zXOKlfq8l5SppFG/UOmHO7WL7JnbduHdt1uPJs/lY7gASWwUH/ZpEdq3Aw==
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

2026-09-17T11:11:48.788816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044590
observed 99163a08aa4b83066ee54bbd8cf406b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:48.768384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044590/manifest.json
observed 228569256fe96cef98dbc71c399c19e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:48.748276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044590/publication.md
observed 17f0a9192f2e56c2e58f86231031d2a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:48.729141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044590/publication.txt
observed ca51ce555ca18d8cd6f618a553ee160b...
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.