OpenTechnical

OT-2026-000090940

Publication integrity record

Two cup 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-2026-000090940) never changes.

Identity and time

Publication numberOT-2026-000090940 · never reused
Internal UUID01a0ae9c-c011-74f1-94a6-4a56d67d45b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090940
StatusPUBLIC

Content hashes

Canonical text92dfa1ecf754bd2d41c5ac87c22b88cdc4659298380036e2e69e55550e6ced15
Markdownaee648e6884e8e0a9a4b79de7dc5d988f60d8744b1a38ed2485b70adb528ca78
PDF
Publication pageb2481ed2445683ccc1fe680d2eaf04c7a44b299902c0ea2b0b4bfcbe9dc9a3f3
Manifest40bef3f99cc26fa711c9d3ccbd65d576d4fd9658f2c4630a6b7f12dbbbb08ec2

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
Signature7P+mDfOL+qGErmYdb7jE+4WzFCGDOuj3+2Fm8CMRzJuTRVZexdY8meW26SAIV+U0MnSbgIcrnnEgp8hB/PcNBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:07.416067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090940
observed b2481ed2445683ccc1fe680d2eaf04c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:07.384735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090940/manifest.json
observed 40bef3f99cc26fa711c9d3ccbd65d576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:07.365718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090940/publication.md
observed aee648e6884e8e0a9a4b79de7dc5d988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:07.332838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090940/publication.txt
observed 92dfa1ecf754bd2d41c5ac87c22b88cd...
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.