OpenTechnical

OT-2026-000100133

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000100133) never changes.

Identity and time

Publication numberOT-2026-000100133 · never reused
Internal UUID01a0aea3-3052-7502-afc8-7419d0b6dd8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100133
StatusPUBLIC

Content hashes

Canonical text240d57344f09601b9912f0e0364ce5f275c8e755eba7841aac4e642843478b0e
Markdown957d86d3783724dd4c62a16b6df34676a7afa27f5bfb0744f5b208b05a91fa71
PDF
Publication pagee1e19c8596f319a9a6cc9fa7f1235811fa15bf11571a0b27b27957546e16fe05
Manifest912b09abe9fdc7e0b17e8e03927e25d8eef8aa3f39ac7e729905c6ce9336ddec

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
Signature4MlBbmzNzTz0BMavp0pYA/sMzxraVgpPzkNLpOCW98uCwJbM9uzQ/8u27Q5baCQJDwcqaTgcAG4Yt1QERmkRDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:49.996957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100133
observed e1e19c8596f319a9a6cc9fa7f1235811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.976116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100133/manifest.json
observed 912b09abe9fdc7e0b17e8e03927e25d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.956051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100133/publication.md
observed 957d86d3783724dd4c62a16b6df34676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.936209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100133/publication.txt
observed 240d57344f09601b9912f0e0364ce5f2...
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.