OpenTechnical

OT-2026-000063555

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold 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-2026-000063555) never changes.

Identity and time

Publication numberOT-2026-000063555 · never reused
Internal UUID01a0ae8c-f945-78ab-8b26-c0488d3825f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063555
StatusPUBLIC

Content hashes

Canonical textfd7cddd64e873e055bef9b05c657939ef8f2c500705573803f30141f1e867ad1
Markdown31f755739d93115d02f6f3f5600e77eea4cd330c0d064af63c548b624d00bc6f
PDF
Publication page85f94c4b7a766b3245d45aa6f12c0503449d10a5f952ea9e2dae376c3ea2de19
Manifestddb783287473009057454a4384b213857505915f08652310f56e286bde9230f2

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
SignatureHH2UeabBk6uBC71Wwim7Ru6Q3H6baQ2cjASsLcZqSVmz/R57TrvrFryXs5uHR6usXOLuBJaMTCnP75EMm/VOCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:33.499209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063555
observed 85f94c4b7a766b3245d45aa6f12c0503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.474407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063555/manifest.json
observed ddb783287473009057454a4384b21385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.453142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063555/publication.md
observed 31f755739d93115d02f6f3f5600e77ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.432027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063555/publication.txt
observed fd7cddd64e873e055bef9b05c657939e...
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.