OpenTechnical

OT-2026-000084978

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000084978) never changes.

Identity and time

Publication numberOT-2026-000084978 · never reused
Internal UUID01a0ae99-43b7-7179-bab6-be617b3aa78d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084978
StatusPUBLIC

Content hashes

Canonical text1af11cf1caa42b29bb3acc24d0750367eb155e571873d74be25f9f92835f9dc7
Markdown7d7709add7af575d478b14a2a3ee5f57e2328512f900dfb20b48f6908a255eed
PDF
Publication page9f6bc645cf8049d25d058c37d0bb1418626da8c52a5833cda613e31150334a20
Manifestd0265821ad529d3d61db81f8f126042a07cfa3002181e3a867b4a67a9838a28e

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
SignatureYpafFYlG3QhJw3V8qEBT0A0QRlvRAihSJwSvC+k3rhZqcAlWrR6Yrh+8Nnh3XQCKAyCkP2QM0bzi7Tx+w2bzDg==
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

2026-09-17T09:54:58.726037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084978
observed 9f6bc645cf8049d25d058c37d0bb1418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.709454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084978/manifest.json
observed d0265821ad529d3d61db81f8f126042a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.692256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084978/publication.md
observed 7d7709add7af575d478b14a2a3ee5f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.675713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084978/publication.txt
observed 1af11cf1caa42b29bb3acc24d0750367...
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.