OpenTechnical

OT-2026-000018526

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000018526) never changes.

Identity and time

Publication numberOT-2026-000018526 · never reused
Internal UUID01a0ae6e-b48a-7f35-8635-ef08be8dfcaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018526
StatusPUBLIC

Content hashes

Canonical text3d4f8d22af3d4535a10064844bafebe40ce3bf03bb62177b903a4741c38f8e83
Markdown6fff372ae7fbf43688555c64a35a0c0af83bd8e1335acf63c5885182dbae61be
PDF
Publication page0d836b6f98a2212e8d706465d177edb8b31f2ff2f967464ad715ea5d121a471f
Manifest2f83efdbe00a03bfd8212638925d85d804f817c202f73ace01206eb45acebb60

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
Signaturegp7WKTR30MfDHNTMpkJ4I3/+RJHF7+wmK8OyoFzGIIaS2r3lcKmw/lNrBsd7crnKXSGlqHm2ITnOhObClWj/BA==
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

2026-09-17T12:01:18.119953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018526
observed 0d836b6f98a2212e8d706465d177edb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:18.101290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018526/manifest.json
observed 2f83efdbe00a03bfd8212638925d85d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:18.083491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018526/publication.md
observed 6fff372ae7fbf43688555c64a35a0c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:18.064961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018526/publication.txt
observed 3d4f8d22af3d4535a10064844bafebe4...
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.