OpenTechnical

OT-2026-000012280

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000012280) never changes.

Identity and time

Publication numberOT-2026-000012280 · never reused
Internal UUID01a0ae6d-39f5-7f7e-8bec-823fa7eab821 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012280
StatusPUBLIC

Content hashes

Canonical text8788def6ac9c462fa5ddb110cc8d2cb0426e87c90212430296fa420a00b943d3
Markdown592485e575261215c2cb36606c5fc8a07ef624099dd9bdbec4126bfd6f832b69
PDF
Publication pagebb8480adbf0327814fbaa19c12c714e27345380449d7c37115538cb4204df03d
Manifest7b21d097f7e5fd6097f76d12353b407c76466d16624065aa6847e5bbec73c6d9

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
Signaturetu6js47Iz8yTMFJ4eUyxWdBm9/r2PFFbDfVrW2dZuynT8PPUNIULEiqVauE5vtE8gKSGfr8teDFiljKBHiAEAA==
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

2026-09-17T12:11:13.131187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012280
observed bb8480adbf0327814fbaa19c12c714e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.111824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012280/manifest.json
observed 7b21d097f7e5fd6097f76d12353b407c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.093607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012280/publication.md
observed 592485e575261215c2cb36606c5fc8a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.075348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012280/publication.txt
observed 8788def6ac9c462fa5ddb110cc8d2cb0...
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.