OpenTechnical

OT-2026-000040197

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000040197) never changes.

Identity and time

Publication numberOT-2026-000040197 · never reused
Internal UUID01a0ae79-26ff-7e7a-8d5c-511e7491d54c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040197
StatusPUBLIC

Content hashes

Canonical textd86d5e69ae35edf113d89f0ff9bccbf380c34560cdc0098ad148cae77b5ef7b4
Markdownd1b8c5e8a1611f553d303cf0a1c9b1e5f5d4de7cb1778a0ac98eafec40774709
PDF
Publication page7bb22b0f8d82e297f06395b8b497bbe6157f29c5a9151028620e8ee49fd5c08c
Manifest54e0fc6f5e7e720c4334ad21cb1cf8831a8f1d41b513a92034329a271451d57d

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
SignatureDlT41d8IDMW7VXz0bI04eeumdnBtibASOkWuAOVjEYpnKXWKlpaH9Rcg9Jp4fGSS0xM9mfcpdhc+XoTpQuAPBw==
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

2026-09-17T11:19:04.793434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040197
observed 7bb22b0f8d82e297f06395b8b497bbe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:04.777323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040197/manifest.json
observed 54e0fc6f5e7e720c4334ad21cb1cf883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:04.761120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040197/publication.md
observed d1b8c5e8a1611f553d303cf0a1c9b1e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:04.745121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040197/publication.txt
observed d86d5e69ae35edf113d89f0ff9bccbf3...
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.