OpenTechnical

OT-2026-000030066

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000030066) never changes.

Identity and time

Publication numberOT-2026-000030066 · never reused
Internal UUID01a0ae73-ac4a-788a-aa3d-f677dd9e7988 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030066
StatusPUBLIC

Content hashes

Canonical text3693ebcaa33ebe01915d2c7d32b68fa9578369c8f5a927e0e5b39eb1833c8946
Markdown2fd0ae0210c13990823d156f6e3bb6d734a20b1e0774e41782021f004aae2316
PDF
Publication pagecd522db2c94ba6e5e49e5d58a7a6537d850ee5156a6c8987dde222e77640d24f
Manifestaf9684b08037d7b58966b95c911617372f6e1bf04f0c3c174df90f9b49bbd403

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
Signatureb3W8MPksLEiYW0SlRg/RYEU2NByz5GCgPucz9T/VGcptASbwSqtGmUKkwq5YVqkbL2VFz7VvPnWDEGWgB2giCw==
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

2026-09-17T12:42:18.645170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030066
observed cd522db2c94ba6e5e49e5d58a7a6537d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:18.480052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030066/manifest.json
observed af9684b08037d7b58966b95c91161737...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:18.327920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030066/publication.md
observed 2fd0ae0210c13990823d156f6e3bb6d7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:18.047987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030066/publication.txt
observed 3693ebcaa33ebe01915d2c7d32b68fa9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.538527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030066
observed cd522db2c94ba6e5e49e5d58a7a6537d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.519286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030066/manifest.json
observed af9684b08037d7b58966b95c91161737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.501771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030066/publication.md
observed 2fd0ae0210c13990823d156f6e3bb6d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.485379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030066/publication.txt
observed 3693ebcaa33ebe01915d2c7d32b68fa9...
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.