OpenTechnical

OT-2026-000032868

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000032868) never changes.

Identity and time

Publication numberOT-2026-000032868 · never reused
Internal UUID01a0ae75-4842-75b0-9d16-fd0fb3fe295e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032868
StatusPUBLIC

Content hashes

Canonical text39bc099c563cef5f063b43c2f6273b639230f922b9cb8ef680909bba3459c214
Markdownf430cb7a291d47f05d9cacbd486ec8630c2db3fc2e9fcadcd60ce47dfa0498a3
PDF
Publication pagef5c1bc51b4b03a9ad60b089a2587b633584c1d1822574c6463aeebc1ba6ceb6e
Manifest2d9672e221ae92da233a2bb664a3011bde9c07add406c5df834340e7cd1f984b

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
Signaturew0s8sJNkonTKob9t5yCqpdBK6D86yhBUJTG6IALOispMVfYG6nekgaLKleK0BQZFikliAPU46BXgrR7Zc7DWDQ==
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

2026-09-17T11:32:20.270179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032868
observed f5c1bc51b4b03a9ad60b089a2587b633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:20.252981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032868/manifest.json
observed 2d9672e221ae92da233a2bb664a3011b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:20.233175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032868/publication.md
observed f430cb7a291d47f05d9cacbd486ec863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:20.213403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032868/publication.txt
observed 39bc099c563cef5f063b43c2f6273b63...
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.