OpenTechnical

OT-2026-000079192

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000079192) never changes.

Identity and time

Publication numberOT-2026-000079192 · never reused
Internal UUID01a0ae96-0b8f-7472-b0f0-3ba7b22a2367 · 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-2026-000079192
StatusPUBLIC

Content hashes

Canonical text89489e45aa7d5ac6213da30142317934cfeac0fda6b07f9ddf50ab7853b8bf7e
Markdownccab736de5a4b06fdb2687dde6898206f3828c79fb944767bb077421d480847e
PDF
Publication paged0b3af6b7ad64b5c03704577332d0814a1e689d1aac0d1c982e560824f52b66b
Manifestfced216d978b1c202ea9c0c2f54a09e47cccd4306521732e0cf2a0145444e143

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
SignatureDdMIHsTydoJ2vYCjmoZVgDlKaorvyahjmLo86K5h1B1U8nXUeiwoAC4DTDAR3VKiBMnGG8DyubmhCdys6JgUAg==
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

2026-09-17T10:04:41.011711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079192
observed d0b3af6b7ad64b5c03704577332d0814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:40.992747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079192/manifest.json
observed fced216d978b1c202ea9c0c2f54a09e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:40.940640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079192/publication.md
observed ccab736de5a4b06fdb2687dde6898206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:40.886988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079192/publication.txt
observed 89489e45aa7d5ac6213da30142317934...
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.