OpenTechnical

OT-2026-000064532

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000064532) never changes.

Identity and time

Publication numberOT-2026-000064532 · never reused
Internal UUID01a0ae8d-a462-7191-ab96-3715dde191d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064532
StatusPUBLIC

Content hashes

Canonical textf2dcdbb0df91785cbf91008c6611753583169a5c4d6d6fec446115af5dea9f9e
Markdown6d8a4bc324d54e7e86c6aaf1b4c77894d34696924041a71c5e523a0bfd001b5f
PDF
Publication page3d31b7c1047405ef1a3702aecd00174b3ff2f9266924cb06d139b41eeb809907
Manifest16c39316066bd0caaf1ecad6830ad3f68f5b807c006b3219a3e56aa1cea26ddb

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
SignaturerEDgAOL5onLAa/A4x+Jz5Wu9lUbIFH8BimiNpGqWVYfbeaF633ZvpdOGo1sjJlsu2okScL2lCG/qYbjY81q1AQ==
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

2026-09-17T10:36:44.834175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064532
observed 3d31b7c1047405ef1a3702aecd00174b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:44.816101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064532/manifest.json
observed 16c39316066bd0caaf1ecad6830ad3f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:44.797824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064532/publication.md
observed 6d8a4bc324d54e7e86c6aaf1b4c77894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:44.780933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064532/publication.txt
observed f2dcdbb0df91785cbf91008c66117535...
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.