OpenTechnical

OT-2026-000043772

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three 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-2026-000043772) never changes.

Identity and time

Publication numberOT-2026-000043772 · never reused
Internal UUID01a0ae7b-d676-72d1-b059-3c5d28c5751c · 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-2026-000043772
StatusPUBLIC

Content hashes

Canonical text82be299f27475a94f4181043600625bf112d74fd69eccfc920a77000462aa8f8
Markdownb279e774d513438f3b908940d6eb9bc43044cf7507adb73fa6e27732c6b9ca65
PDF
Publication pageecb62d70b4b16b7c7f263c02b1a793f4c7f346800b48a20ec3c2b4b8a72b8c40
Manifest20d7c560c4567cd693f576e82d399916793842e22d561315f3db8c6fb471bc7b

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
SignatureVFDZyVk4CGunoSYmU+SkyrWPd/Nx6kKUyMbjVmLTt8wJhYlyJDClSNXIzKM8xhQKO5+Uy00sdJnXwTrau6ybAQ==
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

2026-09-17T11:12:03.683225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043772
observed ecb62d70b4b16b7c7f263c02b1a793f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:03.666492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043772/manifest.json
observed 20d7c560c4567cd693f576e82d399916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:03.649468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043772/publication.md
observed b279e774d513438f3b908940d6eb9bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:03.630873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043772/publication.txt
observed 82be299f27475a94f4181043600625bf...
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.