OpenTechnical

OT-2026-000029185

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two 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-2026-000029185) never changes.

Identity and time

Publication numberOT-2026-000029185 · never reused
Internal UUID01a0ae73-2aa0-7744-8389-3c2874bc605c · 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-2026-000029185
StatusPUBLIC

Content hashes

Canonical text5096b2aa76dcb7524e97c2eb18973d102e959126bf13106c851622f940fe13e0
Markdowndbf7659260d5e66f639524ee88fc6a557cbee487fc5291cd6d512460ad63ba24
PDF
Publication page82e1befa336b388b676fa6d66c95b85166ad228fa11beee33e92cae0e1ed4baf
Manifest69d3a5fbf828d3049f52f0811e1eb69c29d3c8d5d566f151e5d0d863e173ebaf

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
SignaturetQjcv6ya5hPtZd06PRNLiXZOIRu2h+8PB/vODDpHA7CM5HK3maF6I0OoH3exrRrrJ3B3LjXrul/Mo1oQbRamDA==
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

2026-09-17T11:39:41.198796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029185
observed 82e1befa336b388b676fa6d66c95b851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:41.179670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029185/manifest.json
observed 69d3a5fbf828d3049f52f0811e1eb69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:41.161740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029185/publication.md
observed dbf7659260d5e66f639524ee88fc6a55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:41.144415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029185/publication.txt
observed 5096b2aa76dcb7524e97c2eb18973d10...
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.