OpenTechnical

OT-2026-000043855

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000043855) never changes.

Identity and time

Publication numberOT-2026-000043855 · never reused
Internal UUID01a0ae7b-d677-7f18-a8ed-d6cea32cd9e8 · 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-2026-000043855
StatusPUBLIC

Content hashes

Canonical text701f251c813a9012eef9770f6b4deb9a4c6335d80905a67f840585e88328bf59
Markdown6d28301c3f58226c6b87e2b971a218e658112e284285e17fa6d3304cf766e593
PDF
Publication page954ffaea1b2f3867ad5e87e4fe5686a093ee8565b6261ed412f712443f021578
Manifest06cda5f7c0007e05f7432d79e6b23394122b4437a6e2b1d19b2aed525ea8af9a

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
SignatureHF1Z7HMxfgQu2GzskKVzjhRpsZEp5YAMMZR9T91Z4eO6eOv3kfEJcSz2mJ0UsH3FGo7ljd6glL4Q1H6WsGH/Dw==
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

2026-09-17T11:12:10.450602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043855
observed 954ffaea1b2f3867ad5e87e4fe5686a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.432501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043855/manifest.json
observed 06cda5f7c0007e05f7432d79e6b23394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.414573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043855/publication.md
observed 6d28301c3f58226c6b87e2b971a218e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.395699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043855/publication.txt
observed 701f251c813a9012eef9770f6b4deb9a...
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.