OpenTechnical

OT-2026-000018498

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000018498) never changes.

Identity and time

Publication numberOT-2026-000018498 · never reused
Internal UUID01a0ae6e-b48a-774a-a00b-f491ae1cf209 · 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-2026-000018498
StatusPUBLIC

Content hashes

Canonical textc48b257270bc268d943078605084c4161115caaf14d1a0a9fe6f78f0826f05a8
Markdownffd1ebea584ac8d9346374524495a1856fdb4104419477c48bc9503ec82f279f
PDF
Publication pagefdf809102f3f8b09c53d83f654ed4d4d45dd825cba387c183dba08863c4c8016
Manifesteb3c904fb698f5aa390f88384e6b1218913e475141392bfe988752f97779160e

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
SignatureOnskhuQ38ZBViPXrKkXJceQYwvwFFE5GuiW85JT/O6mC6DpcW1sebNR2chkH00dSquHWsl2PaAZX3vWnocOqDw==
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

2026-09-17T12:01:16.208311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018498
observed fdf809102f3f8b09c53d83f654ed4d4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.189955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018498/manifest.json
observed eb3c904fb698f5aa390f88384e6b1218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.173514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018498/publication.md
observed ffd1ebea584ac8d9346374524495a185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.156522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018498/publication.txt
observed c48b257270bc268d943078605084c416...
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.