OpenTechnical

OT-2026-000043743

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold 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-2026-000043743) never changes.

Identity and time

Publication numberOT-2026-000043743 · never reused
Internal UUID01a0ae7b-d676-7e82-8812-b6bad0f04d32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043743
StatusPUBLIC

Content hashes

Canonical textbe9e869911e216bcc3ee0878c904b391edb8910e4e473712060d0eff04a3aad5
Markdowna459d8e0224ab32674a4e151864075b83466d3f360c749a37668c323d9727230
PDF
Publication page9f36f2f78fc1129c72ced9c0f29962d4d969b3c94f2b127955d80f3df7ff7fd6
Manifest04e447bef3b40cfa41f06a3775480dd2e34a49f5899c13d2da93263c5a5edfe8

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
Signature5joEu8wwCJXCzpKwQiqHZ4Btne2qk5OiLXn2yRa38QQMY4fpahHHHkHG7ilsWxDUmt17faaS5yCKIawh+fLPDQ==
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

2026-09-17T11:12:01.308672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043743
observed 9f36f2f78fc1129c72ced9c0f29962d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:01.289334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043743/manifest.json
observed 04e447bef3b40cfa41f06a3775480dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:01.271349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043743/publication.md
observed a459d8e0224ab32674a4e151864075b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:01.253470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043743/publication.txt
observed be9e869911e216bcc3ee0878c904b391...
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.