OpenTechnical

OT-2026-000025799

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000025799) never changes.

Identity and time

Publication numberOT-2026-000025799 · never reused
Internal UUID01a0ae71-a83e-7d88-ae61-6fecfe84f84e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025799
StatusPUBLIC

Content hashes

Canonical text3fbe2593365c2226ca5e4e68aad159b1e808559fa42ea9ddf348d0ea7f71b5e8
Markdown9ba4f5483c8a792775f9cc5ad144764a0bd46cb78b849b1f4fbb0d3ccc286a0e
PDF
Publication pagef6870d9251663341fe5b4203db33066c657d6a870b9a23a392c7b85f5facc970
Manifestd2e0e5fccb3da9643cccd8881c3902490448eabda1b9ec9527f62fdaccd3c157

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
SignaturelmlBi/IwROQYAdPCW2hGjLPwO8X14PQ9fnxZrXR9JYNo/v14FJfNiZ63vNv/oyA5SO4x9/9Sw97ACvzpxVKqBQ==
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

2026-09-17T11:46:00.386254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025799
observed f6870d9251663341fe5b4203db33066c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:00.370363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025799/manifest.json
observed d2e0e5fccb3da9643cccd8881c390249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:00.352218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025799/publication.md
observed 9ba4f5483c8a792775f9cc5ad144764a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:00.334403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025799/publication.txt
observed 3fbe2593365c2226ca5e4e68aad159b1...
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.