OpenTechnical

OT-2026-000030243

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pulsed 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-2026-000030243) never changes.

Identity and time

Publication numberOT-2026-000030243 · never reused
Internal UUID01a0ae73-e500-7df9-8e71-57262b17df3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030243
StatusPUBLIC

Content hashes

Canonical textdb7466708b0c06ffa77dc4dd8ad2f36ec91331d6a1419710b318933ff09f3cb7
Markdown586117ed796c1d940222c64d3febdb6546b236bf09d1b4ed2ce40bc71c36db17
PDF
Publication page479a2b88b2d5c5468485d2e78e3c984483cde68e2db92c2ac281507f3decc1c5
Manifest17d2bc67782b7e6dea76046c3082e351a24cd9ea489e4348604abb3cefc932cd

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
SignatureHUp80enRN03T20vnd6hwE+fZqdjRTzx6/7xjCY+rxKwvBIvmhbAlK+3RSFlcIwTaMmxrjstNfwXEtjZKGkLBBw==
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

2026-09-17T11:40:37.546244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030243
observed 479a2b88b2d5c5468485d2e78e3c9844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.526327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030243/manifest.json
observed 17d2bc67782b7e6dea76046c3082e351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.505576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030243/publication.md
observed 586117ed796c1d940222c64d3febdb65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.486001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030243/publication.txt
observed db7466708b0c06ffa77dc4dd8ad2f36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.055837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030243
observed 479a2b88b2d5c5468485d2e78e3c9844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.039451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030243/manifest.json
observed 17d2bc67782b7e6dea76046c3082e351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.019398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030243/publication.md
observed 586117ed796c1d940222c64d3febdb65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.002334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030243/publication.txt
observed db7466708b0c06ffa77dc4dd8ad2f36e...
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.