OpenTechnical

OT-2026-000100331

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000100331) never changes.

Identity and time

Publication numberOT-2026-000100331 · never reused
Internal UUID01a0aea3-3054-7833-9224-765928b9a0b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100331
StatusPUBLIC

Content hashes

Canonical text88cef5c896894e7677f8593e4ace8e34523bf80170df28346347122d0c0a25ef
Markdown566eef5903bec5b7830a0c7b3f0f39e9fd4c8960e7ea365a8d6a3c5114a004d0
PDF
Publication page4fdacd116f5a1d63e3e1d91b86fed918c2284d0c912c93279cd81d2ba7eb07e6
Manifest746c317e5694b8e48cd2f4f7d59618b1ef81c15e42bc155593db0582b2ed9fea

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
Signature0nn4RbDpZkMeOTmwX6FCb2pTtwz5H1xb2xJXp9vLb5UWQOXoUFioWMjf7Z9qVXklRVPVQpHmgdnVOT9FgoE5CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:16.552404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100331
observed 4fdacd116f5a1d63e3e1d91b86fed918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.529096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100331/manifest.json
observed 746c317e5694b8e48cd2f4f7d59618b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.504751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100331/publication.md
observed 566eef5903bec5b7830a0c7b3f0f39e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.486828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100331/publication.txt
observed 88cef5c896894e7677f8593e4ace8e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.038979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100331
observed 4fdacd116f5a1d63e3e1d91b86fed918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.020736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100331/manifest.json
observed 746c317e5694b8e48cd2f4f7d59618b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.002493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100331/publication.md
observed 566eef5903bec5b7830a0c7b3f0f39e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.984482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100331/publication.txt
observed 88cef5c896894e7677f8593e4ace8e34...
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.