OpenTechnical

OT-2026-000023812

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000023812) never changes.

Identity and time

Publication numberOT-2026-000023812 · never reused
Internal UUID01a0ae70-aed5-7784-92b0-fd33db746c76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023812
StatusPUBLIC

Content hashes

Canonical text996329e9d0f7e5d39b913738638b176314837e9c821f75c6452019f7d7102050
Markdown34e32989497d14a4c03ada7a143a78ea9fabd50d93d0c57050ae0e7e86ab6bb7
PDF
Publication page192af73fd86e2a7e4a303cd2677077aa2573bf9b684a64b525fe2d77f8985fc8
Manifest58e1c91a95857d1ffed7a8a7eae8c3469675c1f774cd457a835d6e37450905a0

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
SignatureENyW53YWXgcyc7ncGf6TJXu49fZHmVntBZc7sZR4iVvQLBdjWFRo7vMddhzOID3R8zwsoZbbMzBaTv18Q+S6Bw==
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

2026-09-17T11:50:17.647017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023812
observed 192af73fd86e2a7e4a303cd2677077aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.630753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023812/manifest.json
observed 58e1c91a95857d1ffed7a8a7eae8c346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.612074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023812/publication.md
observed 34e32989497d14a4c03ada7a143a78ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.586887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023812/publication.txt
observed 996329e9d0f7e5d39b913738638b1763...
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.