OpenTechnical

OT-2026-000046488

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000046488) never changes.

Identity and time

Publication numberOT-2026-000046488 · never reused
Internal UUID01a0ae7e-57dc-76b6-a6dc-0c25009fa202 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046488
StatusPUBLIC

Content hashes

Canonical textc6b039490e4172bb7486ca1a59a1ea8f74c1c23191e1f495f2b0d7d71c97343a
Markdown70d4ef5ec21a0c3ac185dc78a3429e9583f5361432fef8c811985ed77eaed445
PDF
Publication page66ade489174d4f2b6ee3030e0468b15f3d7a2710896b2447dd8840bdc169d21a
Manifest57ce00ee65403c26a2ff80efe76f01f258daadad9565d29cd29fa6c909fd9982

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
Signature3271t/Y/qYrjS06/9Yk6pfVdsBCKqyckRUjYbvaxjhe/EBLQGBurUhOSNuILhpKCFOtkt4R7HanxAmvIrhueCQ==
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

2026-09-17T11:08:31.487523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046488
observed 66ade489174d4f2b6ee3030e0468b15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.469420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046488/manifest.json
observed 57ce00ee65403c26a2ff80efe76f01f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.450842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046488/publication.md
observed 70d4ef5ec21a0c3ac185dc78a3429e95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.431683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046488/publication.txt
observed c6b039490e4172bb7486ca1a59a1ea8f...
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.