OpenTechnical

OT-2026-000021112

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000021112) never changes.

Identity and time

Publication numberOT-2026-000021112 · never reused
Internal UUID01a0ae6f-865b-7049-8d8e-da6e13b93c3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021112
StatusPUBLIC

Content hashes

Canonical text370131e0201d523290f755c2938e8e0197e9ac20bca41e719cfc760dbcd1842d
Markdown68d83cec6fa8a312606498f6613504b64aa27d7528b84d40ecd544a901a49ca9
PDF
Publication page87de281c4ef3248603e5a2753ec29469282667ba08f52abe1d2881b514656326
Manifest09c7937b6dabd924e06785d5ef3705da3232f8905297d1fdf4a628618c5eaef0

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
Signaturew13oRfX/bQShTyRK0dXPYDgMePC/gEnkV8utZoQ6FYI4wrxo6I3GygWAkYAEaDn5AoD9UrTw07XiCjsRfXE4DA==
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

2026-09-17T11:54:51.261448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021112
observed 87de281c4ef3248603e5a2753ec29469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:51.244561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021112/manifest.json
observed 09c7937b6dabd924e06785d5ef3705da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:51.227981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021112/publication.md
observed 68d83cec6fa8a312606498f6613504b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:51.210819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021112/publication.txt
observed 370131e0201d523290f755c2938e8e01...
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.