OpenTechnical

OT-2026-000050597

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000050597) never changes.

Identity and time

Publication numberOT-2026-000050597 · never reused
Internal UUID01a0ae82-5c4a-7c1a-bbc2-a5d57fc9dd55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050597
StatusPUBLIC

Content hashes

Canonical text14e2bed31032eea32542d25e07762f9e71648cf07dfae885eec48b8a573b3f16
Markdowne94517335e7f6e8c3e82bb34fefc142d6cf191776b62a2e68a2a0fed35c9db74
PDF
Publication page1ccb08e5cd32d5c95089a80323c830d28ca00a3c334903ea2bc2483b1f62d87e
Manifest3e0397d1b3a324733ca5a231d9dc3af194fb1c2ceb48d6f927ad7e8e3c9dbfff

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
Signaturefj4c9p23jWpmwuUCyOYaO2DxrxIn3ESfkxbOzsePaCM/ssJJ+3ASL7kDoLh4m3/5UgjszaanxJrG8tNQDLf/Bw==
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

2026-09-17T11:01:42.147758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050597
observed 1ccb08e5cd32d5c95089a80323c830d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.129486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050597/manifest.json
observed 3e0397d1b3a324733ca5a231d9dc3af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.110259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050597/publication.md
observed e94517335e7f6e8c3e82bb34fefc142d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.091013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050597/publication.txt
observed 14e2bed31032eea32542d25e07762f9e...
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.