OpenTechnical

OT-2026-000080702

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000080702) never changes.

Identity and time

Publication numberOT-2026-000080702 · never reused
Internal UUID01a0ae96-b973-7498-8302-48fafe949871 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080702
StatusPUBLIC

Content hashes

Canonical texta6d53f1f144724b688f6bfc070a4ebf3da7c766cb41d3df3a6ed26475235b7e8
Markdown4577086ecbc705c2edcfa936f1f04b9578bc21165b7fc7c0300011ead752278b
PDF
Publication page9c039ddeec4f7de97c14273456171810b9708f583b6ea8530b8014100388e5f2
Manifeste67ae39f5478522b368204693ab93777ec248b3b5745518acee9afe66c95c7ac

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
SignatureFK6rvzTyl+sIZCvDInSuUAnxS3KH0fNM5v/S+/xA3C2ptN2NTo90Oa3zIGCDT9ztW7oBIDFRw7dgCi6PImedAg==
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

2026-09-17T10:01:44.160271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080702
observed 9c039ddeec4f7de97c14273456171810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.141641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080702/manifest.json
observed e67ae39f5478522b368204693ab93777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.124044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080702/publication.md
observed 4577086ecbc705c2edcfa936f1f04b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.104167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080702/publication.txt
observed a6d53f1f144724b688f6bfc070a4ebf3...
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.