OpenTechnical

OT-2026-000029089

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000029089) never changes.

Identity and time

Publication numberOT-2026-000029089 · never reused
Internal UUID01a0ae73-2a9f-7413-81e8-03892fcceaf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029089
StatusPUBLIC

Content hashes

Canonical text0cc755acd27fdd779db2a4b30f56cece4eb1628b9609c7c7ffbb00d5f26f9c37
Markdownfe0485c89f124047e4e70f8ee7759d09811915029ba3f3df0a1b8c0079a73c26
PDF
Publication pagef7bdee6233006704d05cb055f3bece9c6504497a7661fba60dc18cd169114d0d
Manifest61ca49fb963c6e0ba673bb5698926f33180a4bc3d15270dd0a1d00638cec4f47

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
SignaturemT7c5OSpMYgz/UuM/i5QG/9g9VFgpgfsQbEwo4osroBf62Ce3+KYNPALq562h7qfjt5cpjSFtV2ymD/DaT4yDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:20:48.697302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029089
observed f7bdee6233006704d05cb055f3bece9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:48.677003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029089/manifest.json
observed 61ca49fb963c6e0ba673bb5698926f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:48.530934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029089/publication.md
observed fe0485c89f124047e4e70f8ee7759d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:48.511191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029089/publication.txt
observed 0cc755acd27fdd779db2a4b30f56cece...
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.