OpenTechnical

OT-2026-000053244

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000053244) never changes.

Identity and time

Publication numberOT-2026-000053244 · never reused
Internal UUID01a0ae85-0a14-7706-a6d8-ddf137c8c2d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053244
StatusPUBLIC

Content hashes

Canonical textfe86aa757f77f68880a92b05813cc7cb706d03648f9c2f9f84dcc53ba3f8321a
Markdown61df40d97cce829f8e1fdd253bfd6214e8294447795c7b4f0dc218f12db4a940
PDF
Publication page1c2fcd61dd52e82b4cd5f5ca6b56e0b6134d241daa4fcbb8b6dd3b8549a802ce
Manifest7c8dac81c6c8e20a79727d1455de7b5b1e4e741926550fe719762d7d5da93867

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
SignaturedrSajcO8fxHsz4sQGk1d/IOGDvsEFHYR2ivWg9GXuHl8AbVBYy56CWGd1ntq0F4Ulvob0/9VMINd6zZ5eQ5wAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:55.990313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053244
observed 1c2fcd61dd52e82b4cd5f5ca6b56e0b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:55.970513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053244/manifest.json
observed 7c8dac81c6c8e20a79727d1455de7b5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:55.823051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053244/publication.md
observed 61df40d97cce829f8e1fdd253bfd6214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:55.801230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053244/publication.txt
observed fe86aa757f77f68880a92b05813cc7cb...
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.