OpenTechnical

OT-2026-000043332

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000043332) never changes.

Identity and time

Publication numberOT-2026-000043332 · never reused
Internal UUID01a0ae7b-327d-755b-aadc-5ac601aa1962 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043332
StatusPUBLIC

Content hashes

Canonical text1affb5b210c87f995c3bfb406a039238dffffc496bb07d4290c4db6401abeead
Markdown2981f31b0a4564f7a351c35084bcba78a244d3370091f7ae0acf6781732a6e8a
PDF
Publication page19dbd52d381a9a9214cffb13bd96f884daa53ada4c4c219a6fa370782110e6d6
Manifest0b4a7c00eb16d137f2b7848f9c3727ba9ad3d780de5e772b49183fb3f9228628

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
SignatureH8JF27n1tVK9vgreDJYoG7Yv4ywZwYQHsiR/I/Lb4rbbUWNbDri1krwPyabH6FN41YFJ/8Bn4N9mBxEL2facBg==
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

2026-09-17T11:13:50.525124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043332
observed 19dbd52d381a9a9214cffb13bd96f884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:50.504868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043332/manifest.json
observed 0b4a7c00eb16d137f2b7848f9c3727ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:50.485823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043332/publication.md
observed 2981f31b0a4564f7a351c35084bcba78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:50.468117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043332/publication.txt
observed 1affb5b210c87f995c3bfb406a039238...
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.