OpenTechnical

OT-2026-000079614

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000079614) never changes.

Identity and time

Publication numberOT-2026-000079614 · never reused
Internal UUID01a0ae96-0b92-7405-a53a-2a78a8e94fd5 · 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-2026-000079614
StatusPUBLIC

Content hashes

Canonical text19773f93cabfe5e3fcabcacef464012d09732a35a6fcd87c4b5867ef8e49b3f1
Markdown062cb1f51621fe229ae29f36108493ad5d30e5f8d63e9c68190657363551e260
PDF
Publication page70e33f86cc5b9880c387c27e661ef019b4fbb2d462134b378241663e06e09b55
Manifest9385d0f78d59673dc0a0b67ea1c827dbc7a162944b660140747cb6db447413ed

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
Signaturen/GLo1PGoa7lM7Iq26DLSIXHP/BM355DM/VVc2s5zF7q1ndpKwgVAViaJRmMoZH6dBVW3gyc5Ty9vPDCbTAbBg==
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

2026-09-17T10:05:16.520041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079614
observed 70e33f86cc5b9880c387c27e661ef019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.503340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079614/manifest.json
observed 9385d0f78d59673dc0a0b67ea1c827db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.485306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079614/publication.md
observed 062cb1f51621fe229ae29f36108493ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.467022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079614/publication.txt
observed 19773f93cabfe5e3fcabcacef464012d...
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.