OpenTechnical

OT-2026-000033283

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000033283) never changes.

Identity and time

Publication numberOT-2026-000033283 · never reused
Internal UUID01a0ae75-897f-79fc-b933-cfe331917433 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033283
StatusPUBLIC

Content hashes

Canonical textca1994a5d469ceb1a52fc1005c7f6662e226c717e6ccd5d4f03fae8b973e84ff
Markdown537485007f9cf50402341bf226b14843f0cf815ccc51e9163b5d642c7e9e070e
PDF
Publication pageba97acdb0870d7072a974b285ff1566cd85e5d6b6706302d1c3bcd3b1a7aefe0
Manifestd8db7fde025995da030e701a661e429d56b215e8642afd3da0bf299a9f311491

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
Signature6dXwFQtNBx5aAr6kr0hIAYLPZf88w/mxYxGxNbwSenajCrvi61sJHdyGoLoH9VQcC0WLDyC1J1PibzXhPZkeDg==
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

2026-09-17T11:32:01.503775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033283
observed ba97acdb0870d7072a974b285ff1566c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:01.485785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033283/manifest.json
observed d8db7fde025995da030e701a661e429d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:01.465894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033283/publication.md
observed 537485007f9cf50402341bf226b14843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:01.448235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033283/publication.txt
observed ca1994a5d469ceb1a52fc1005c7f6662...
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.