OpenTechnical

OT-2026-000043368

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000043368) never changes.

Identity and time

Publication numberOT-2026-000043368 · never reused
Internal UUID01a0ae7b-327e-72f1-a02e-0ea03224c324 · 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-2026-000043368
StatusPUBLIC

Content hashes

Canonical text3c69d7c3568435883401181df68aada7c0c3ef6dfb3e63ab0609c3856b37603c
Markdown1f84f44f5c721bc573c53e266f1f7942263dcf3b3cf2ba48f3cf7e453df33d4e
PDF
Publication page32cca433327e3a338dfc70d7a6d70ef1301d0727b24786a96fed687922350903
Manifestc9168d9fe4fa478c45903485676e54b03da2fc44ae2a051c5b269c63b2e46458

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
Signature/dLNNg5cYqL61zI8AsRe+4uDhw8yl9iWr1micQNlWXSOxJysd4qsSgRxzcrnJZlOCO6MRwcXdDjOgYq2Kk/QCg==
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

2026-09-17T11:13:53.562692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043368
observed 32cca433327e3a338dfc70d7a6d70ef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.543451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043368/manifest.json
observed c9168d9fe4fa478c45903485676e54b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.524065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043368/publication.md
observed 1f84f44f5c721bc573c53e266f1f7942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.504560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043368/publication.txt
observed 3c69d7c3568435883401181df68aada7...
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.