OpenTechnical

OT-2026-000088635

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088635) never changes.

Identity and time

Publication numberOT-2026-000088635 · never reused
Internal UUID01a0ae9b-8f0f-7523-be4b-d6498f3cccd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088635
StatusPUBLIC

Content hashes

Canonical text13f4be203cb813f871402aa520b8165b5916b983026c9f2c4a52e3fb8f81fa61
Markdown540fc2fcff6e597949f7aef7ef101311307ebb1c8a3a7489143a1a6f3110fba9
PDF
Publication page2427ec56cebf5c82e4de0469ead5e4a3714e2ae2459be782b62d943c22c9b4c7
Manifest074e5584dd1288e02d59957d01912cdaab530ff659df24fc12c65b47cd228631

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
Signatureqt2jyQ0VmtxJLnKnncrSkDPiT4WNK8zRWI36k1Tod+eVGG/5PlDDDW+4ofRMCsfk7137ocXOGkVPlHzK+EKwBg==
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

2026-09-17T09:47:50.828458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088635
observed 2427ec56cebf5c82e4de0469ead5e4a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.808969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088635/manifest.json
observed 074e5584dd1288e02d59957d01912cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.788259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088635/publication.md
observed 540fc2fcff6e597949f7aef7ef101311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.770902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088635/publication.txt
observed 13f4be203cb813f871402aa520b8165b...
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.