OpenTechnical

OT-2026-000083499

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, sustained blow-off before set-down

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-2026-000083499) never changes.

Identity and time

Publication numberOT-2026-000083499 · never reused
Internal UUID01a0ae98-0415-7608-a7b2-f6bce999fa28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083499
StatusPUBLIC

Content hashes

Canonical text2ff4cb4e4b9cbba19eee04dc904cc75cc25a06ec31ebe05fc0c6dbe9cc0beb87
Markdown8c1f4c4df00cd019086aee4ae56ff794f31e4fd65df9f482ed0d2aa35ea5e076
PDF
Publication page41525dd9fb8d52968f7b305f49406d2b6e35e3952d79dc54791a35968feb06c8
Manifest12c478537d91a036a081df372f5d87282ed1e0ca4c44878ba06641a4d78a90f8

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
SignaturePDyUjOdjbomlmipCyRt5dKUBexFGiuJOk9dQXKDmUNVtOXKq/rCghSpPfiS25rlXG2BYpPDB0dtdcSqWyel1BQ==
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

2026-09-17T09:56:28.481459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083499
observed 41525dd9fb8d52968f7b305f49406d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.463836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083499/manifest.json
observed 12c478537d91a036a081df372f5d8728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.446185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083499/publication.md
observed 8c1f4c4df00cd019086aee4ae56ff794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.429297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083499/publication.txt
observed 2ff4cb4e4b9cbba19eee04dc904cc75c...
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.