OpenTechnical

OT-2026-000009074

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000009074) never changes.

Identity and time

Publication numberOT-2026-000009074 · never reused
Internal UUID01a0ae6b-31b8-7351-beb5-f4b7ca5567d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009074
StatusPUBLIC

Content hashes

Canonical text7a2eab1d3f1342637aa75ae4d9606601d6f4c37ce963a347092ae9430d8f8376
Markdown3f89edcc6c284f8614188a083453fd5d34c4b49cd3bf218d2175e87bef2c7672
PDF
Publication page1322b11e56e864031299608baf1218aef5b1741b9a7edd0939e026cbe161ecdb
Manifestf8a03b6bc9b90389c94ccc73b1f9c5167787f8fe219bbf5c3869c2635e383fc4

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
SignatureHBxMUP/hMTGKUVh6fddJa9Bkk70MF5uE/EkHNCJoHY+YgK7GcCy4/orcwJz0EVphK9Ejvx/X78ip+V6yOs3qBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:44.373550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009074
observed 1322b11e56e864031299608baf1218ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:44.352921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009074/manifest.json
observed f8a03b6bc9b90389c94ccc73b1f9c516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:44.329993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009074/publication.md
observed 3f89edcc6c284f8614188a083453fd5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:44.310701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009074/publication.txt
observed 7a2eab1d3f1342637aa75ae4d9606601...
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.