OpenTechnical

OT-2026-000063969

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000063969) never changes.

Identity and time

Publication numberOT-2026-000063969 · never reused
Internal UUID01a0ae8d-53bc-76a5-8ce7-7963526f88c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063969
StatusPUBLIC

Content hashes

Canonical texte71bb2150abbe155731ed975b971a045da68f88c481c204a8459e1a687679974
Markdown7f0019cf04c926d2e5242b842f90e77707c87609ae892e2c1410d32a09e0e8e0
PDF
Publication page8f96d149fad8a3f4fc143a9d3c3c4ff0180e2027b5ae309f3b6dd604de248f26
Manifestd4dd3e2e029cf22be90c191b58a0e05c7f4a3e960b3d39e2bcc561b65d5dc8db

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
SignatureX1UjblhD1Rn6slKhgv/yfySpTRKSOzJj5YfRcPaFU255YIt7FKAE5hYQECjaj5+IDIBxIJ6pGf6yJbW7FjTwCQ==
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

2026-09-17T10:37:02.086331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063969
observed 8f96d149fad8a3f4fc143a9d3c3c4ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.069301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063969/manifest.json
observed d4dd3e2e029cf22be90c191b58a0e05c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.052220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063969/publication.md
observed 7f0019cf04c926d2e5242b842f90e777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.033154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063969/publication.txt
observed e71bb2150abbe155731ed975b971a045...
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.