OpenTechnical

OT-2026-000029289

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single 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-2026-000029289) never changes.

Identity and time

Publication numberOT-2026-000029289 · never reused
Internal UUID01a0ae73-2aa1-7cc0-a5ed-1d811cf248f4 · 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-2026-000029289
StatusPUBLIC

Content hashes

Canonical text54007142474a6d5593f58541fba3ec3c6c5587698802f91e2561f7b412462df3
Markdown482c5f734a2cbfce279df8e3fda5cfbfe626c22a9e40d60542ee858c9f1e0ac8
PDF
Publication page92f28c553fa42bf39ace5d57447ce38b858db73455c47585d7a278089f6fc39e
Manifest2079efbe37f11ab72a4ed6171cea3808c9de66d08fa44554da437226b60933ad

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
Signature5xWDDzWaGgYWGkm2DggBVwjd+6huAm90I+4LpltL7ki8Z4ahjXB5gYo5Dz8/0+HDqi/7HntBn90/w7EzttxjBQ==
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

2026-09-17T11:39:55.552301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029289
observed 92f28c553fa42bf39ace5d57447ce38b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.534559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029289/manifest.json
observed 2079efbe37f11ab72a4ed6171cea3808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.515997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029289/publication.md
observed 482c5f734a2cbfce279df8e3fda5cfbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.495744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029289/publication.txt
observed 54007142474a6d5593f58541fba3ec3c...
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.