OpenTechnical

OT-2026-000080461

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000080461) never changes.

Identity and time

Publication numberOT-2026-000080461 · never reused
Internal UUID01a0ae96-7e78-798b-aa7a-3cb28e35a4ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080461
StatusPUBLIC

Content hashes

Canonical text59cd14ee9a636c31af2e30adcd6a9a3772d200be82d5bc3862b98cf6e851f41e
Markdown665239c3306f7806db0dce1c80c4a631fdb5118fa19f45d0f64a64a2aaadf73f
PDF
Publication paged676418e1a1fad9da50d2dfde44f389326d88ad80c98cfbdecec7a8e51baf846
Manifest1b082eb0bbe1f03cfaaa201fa1755101fa365a34fcf2f5389c53ad2dd578555b

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
Signatureb2pgaFIkh+WOTyeSGQyxDlGtWJGWwOtLEgtk+SGiURQ/uTGgEoBsrIxQJZQ5FWAtv2niNUPbgPqGnd42HOkJDA==
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

2026-09-17T10:02:58.877814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080461
observed d676418e1a1fad9da50d2dfde44f3893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.862318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080461/manifest.json
observed 1b082eb0bbe1f03cfaaa201fa1755101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.843599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080461/publication.md
observed 665239c3306f7806db0dce1c80c4a631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.825143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080461/publication.txt
observed 59cd14ee9a636c31af2e30adcd6a9a37...
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.