OpenTechnical

OT-2026-000046493

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000046493) never changes.

Identity and time

Publication numberOT-2026-000046493 · never reused
Internal UUID01a0ae7e-57dd-7ddf-bfad-e0322600f194 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046493
StatusPUBLIC

Content hashes

Canonical text7ccac282d6c985ef041716e06925c73c1ff0d86240da02c467b60debfb9d33d0
Markdownc4f17157ac558a288a8e6dcb145318a9cc6e50173a81994a080b00719ba09186
PDF
Publication pageeacd022d1a70f8cb5a667485e355b9e7a09b644ef372e77ebcc4f361af76d565
Manifestb22f261ea3d000909f77cfb552d29dcd89f22a5b632df388cd2ac4e8fcf786fc

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
SignatureqSt/t2T8Ru1sVYxLEcbmp+R3tYAzcj0ar68YDQE3xvj1CEekJKw7ubFq6jD3CLE5NsXgcRIpoT10rV7BNPVoAA==
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

2026-09-17T11:08:31.882592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046493
observed eacd022d1a70f8cb5a667485e355b9e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.864476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046493/manifest.json
observed b22f261ea3d000909f77cfb552d29dcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.844750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046493/publication.md
observed c4f17157ac558a288a8e6dcb145318a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.825889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046493/publication.txt
observed 7ccac282d6c985ef041716e06925c73c...
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.