OpenTechnical

OT-2026-000043441

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000043441) never changes.

Identity and time

Publication numberOT-2026-000043441 · never reused
Internal UUID01a0ae7b-327f-70eb-9b2d-8cdc068cdd60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043441
StatusPUBLIC

Content hashes

Canonical textaf3cebd2274194a7965f6a932286adb9c10300e1e8e8d659437f8782cf835598
Markdown68e664dc56e10230eb7abf0f6d53044220999fb9cd1a476190a60ee87af31422
PDF
Publication page1c72d75bf471040d293c300c06e8b45c5c02c934ca6e20f0530bafb2dd681462
Manifest63292e756040077b87e467dcb3a4bd29fefbd047d1c5c5824968879942681141

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
SignatureCeU+zjkAvfdBR4xWV2nwtvJ0ya/GlJ6YqcsOuMbYBRWGWI0hzDEMtBPc0IiOTNkGuB8h+9fvczhY0CCNXfAiDA==
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

2026-09-17T11:13:59.397326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043441
observed 1c72d75bf471040d293c300c06e8b45c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.377190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043441/manifest.json
observed 63292e756040077b87e467dcb3a4bd29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.357545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043441/publication.md
observed 68e664dc56e10230eb7abf0f6d530442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.338870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043441/publication.txt
observed af3cebd2274194a7965f6a932286adb9...
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.