OpenTechnical

OT-2026-000020385

Publication integrity record

Six cup vacuum gripper, six 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-2026-000020385) never changes.

Identity and time

Publication numberOT-2026-000020385 · never reused
Internal UUID01a0ae6f-437b-7d42-b879-1e4dfc933f4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020385
StatusPUBLIC

Content hashes

Canonical text143128b916c3ed8510063c3ea0e4783e01ea7f23ea91b5339e2e59be8c9a8525
Markdownff867beba79f03030f36f36a167b4c04a1e7f5dcfac19c94b9bc7ef3bac9aaf9
PDF
Publication pagebe26ecfb26286d31243876649f679a3369d1965793504913e4f1dca21b724d86
Manifest7bb9ee8449d5e29833b8444c76b8bfebb69aa9358cde5a0497d0876a1546b665

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
Signaturei11JzfFidDgx/1E5Hc6ChVQwaFJTvoCEtKRpeUwXdYWhxDk4m03VsZUP2qyGmcFbwjaWR1BQ9dEGZWEqre5UAA==
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

2026-09-17T12:00:16.238782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020385
observed be26ecfb26286d31243876649f679a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:16.219305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020385/manifest.json
observed 7bb9ee8449d5e29833b8444c76b8bfeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:16.200816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020385/publication.md
observed ff867beba79f03030f36f36a167b4c04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:16.182985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020385/publication.txt
observed 143128b916c3ed8510063c3ea0e4783e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:21.256071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020385
observed be26ecfb26286d31243876649f679a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:21.234467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020385/manifest.json
observed 7bb9ee8449d5e29833b8444c76b8bfeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:21.215159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020385/publication.md
observed ff867beba79f03030f36f36a167b4c04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:21.194005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020385/publication.txt
observed 143128b916c3ed8510063c3ea0e4783e...
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.