OpenTechnical

OT-2026-000088632

Publication integrity record

Foam pad 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-2026-000088632) never changes.

Identity and time

Publication numberOT-2026-000088632 · never reused
Internal UUID01a0ae9b-8f0f-7155-8b67-00e1da353540 · 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-2026-000088632
StatusPUBLIC

Content hashes

Canonical text3fe83c73cbe061f03a5f4cface3cb6916b6a2873cdc919ef935169de8cd84033
Markdown85eef6c8db0be4e248fd873908838f492ef5665cf84b02968cab1d892e2a3449
PDF
Publication page77e2c94311d233737c141fb36780cfe3d69e1a3d210bebcf5c6e22d62f70c1eb
Manifest6fdb795a071363d23010214460c0746bb1ca4109ae5dde384d8990348d0cc200

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
SignaturedUfMtpJR3PpaX42sgdwYot9jK11M3AB/cH1DZS3SGIQ/ueGorWn36tlEQev61cOaHc4RoJp8E2XWEn4fwijtCw==
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

2026-09-17T09:47:50.611028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088632
observed 77e2c94311d233737c141fb36780cfe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.594770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088632/manifest.json
observed 6fdb795a071363d23010214460c0746b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.577114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088632/publication.md
observed 85eef6c8db0be4e248fd873908838f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.561406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088632/publication.txt
observed 3fe83c73cbe061f03a5f4cface3cb691...
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.