OpenTechnical

OT-2026-000103338

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000103338) never changes.

Identity and time

Publication numberOT-2026-000103338 · never reused
Internal UUID01a0aea4-be3f-7915-967e-f5a5f5df81ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103338
StatusPUBLIC

Content hashes

Canonical text45d6590288199a77b3ffd60ab936332d9c1d574d67ad8738361efb647a3cb5eb
Markdown207a4891efb3dcffc245b07e71c3f77ec8a7c05159c6d2e3a1af706775e59bf3
PDF
Publication page1f6a0674e4208a9774ce456ba431fa3f528856de5b408ecc9f15692283e5ea5b
Manifest7114616cb191915030df930248435caa344f01ef43413334080ecf66aafc1dec

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
SignaturebpQEZvaKHnMLxuYVRFYC9nivNQ86WLJ3ZOhnFxr8PSru/1Yj76cRHmNx4iahGeT5x6vE/jQXRLwX1YwoOcNrBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:35.772022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103338
observed 1f6a0674e4208a9774ce456ba431fa3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:35.753605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103338/manifest.json
observed 7114616cb191915030df930248435caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:35.735350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103338/publication.md
observed 207a4891efb3dcffc245b07e71c3f77e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:35.719219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103338/publication.txt
observed 45d6590288199a77b3ffd60ab936332d...
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.