OpenTechnical

OT-2026-000084001

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000084001) never changes.

Identity and time

Publication numberOT-2026-000084001 · never reused
Internal UUID01a0ae98-5b5d-7ee6-9818-f97f914e361d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084001
StatusPUBLIC

Content hashes

Canonical text160519c565105025a7160c655737aa65badd07e19810c0864cb55e65790c6bad
Markdownb00c46fc7020cc3734f45035cdd85262f7213f55282902482871e72ff25c0486
PDF
Publication page9ccec64c2885d2d8a392cf97e59f528a01fdb1d20ee6f1bfe04dc8fe67e669b4
Manifest05f2f5fe63d9f64db1a9b309907cff33f7470e63c455d81d0b48493cb3572e46

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
SignatureyLF71fyzi+M5c+29sZw8xtt4F5MTR7HtKK2HY0UW59HETBqg1XA1edu5Ycgv38HzPMuEegDWzqr/qTFAs6geAg==
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

2026-09-17T09:55:43.003415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084001
observed 9ccec64c2885d2d8a392cf97e59f528a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:42.986073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084001/manifest.json
observed 05f2f5fe63d9f64db1a9b309907cff33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:42.969318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084001/publication.md
observed b00c46fc7020cc3734f45035cdd85262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:42.951458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084001/publication.txt
observed 160519c565105025a7160c655737aa65...
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.