OpenTechnical

OT-2026-000043464

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, pulsed 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-2026-000043464) never changes.

Identity and time

Publication numberOT-2026-000043464 · never reused
Internal UUID01a0ae7b-92ce-7576-a350-c97030f5ba31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043464
StatusPUBLIC

Content hashes

Canonical texta3b1b7534ffe6a577b02189beda16189f726635ae5c33df526c4ea4bb20f9f88
Markdown8feb26d9ed71faa3a32100ef83762b12ecd0a3ad638359fe5597c2e83de1405c
PDF
Publication pagefbdde9adf1dc75cb37cdbd9240638f1c404f2da0a4a9a55694388f020ebbe37d
Manifestca66e2fe5dd0701d30b2c69f4e17fb7621d60286b68e5753cfbb56fc6230089e

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
SignatureR8bckMVsL2OR/8nVxdxv4hZtdYMPX2pT+1WLp8tpisuNdKRvzSaeX1vptRPZNrqQgui7RtiCPQohuWIkn9jXCg==
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

2026-09-17T11:12:49.010655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043464
observed fbdde9adf1dc75cb37cdbd9240638f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:48.992594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043464/manifest.json
observed ca66e2fe5dd0701d30b2c69f4e17fb76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:48.974057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043464/publication.md
observed 8feb26d9ed71faa3a32100ef83762b12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:48.955208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043464/publication.txt
observed a3b1b7534ffe6a577b02189beda16189...
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.