OpenTechnical

OT-2026-000079315

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000079315) never changes.

Identity and time

Publication numberOT-2026-000079315 · never reused
Internal UUID01a0ae96-0b90-7e4f-a429-a5e9547eed32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079315
StatusPUBLIC

Content hashes

Canonical text2f859340709257aa371070905770b8afb2d0906f72981376ac50b1533997515c
Markdown69081da21999bbdc63c85733030841f7a9e8b173c616a5504326319faa5ff31b
PDF
Publication page7e13d7dc5619227d18ba0436f56efa8718d5a6c2722904fe57f32c2a323d11c3
Manifest3b006a31053be35f543577f81596bdac9fa38dae3ae6d35de3001b8e21ae89d0

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
SignatureeNqisIw8asuf9IUEL7NexzkNABYoIlCen0ad4hCkuvgNjpXTNEEX/NIC7n2vtLIL+4PIRMy/N+AJDPwwOy7LBw==
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

2026-09-17T10:04:55.633147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079315
observed 7e13d7dc5619227d18ba0436f56efa87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.612994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079315/manifest.json
observed 3b006a31053be35f543577f81596bdac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.593147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079315/publication.md
observed 69081da21999bbdc63c85733030841f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.574840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079315/publication.txt
observed 2f859340709257aa371070905770b8af...
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.