OpenTechnical

OT-2026-000025516

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three 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-2026-000025516) never changes.

Identity and time

Publication numberOT-2026-000025516 · never reused
Internal UUID01a0ae71-5fa8-78d3-8d4f-d81c4d04b095 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025516
StatusPUBLIC

Content hashes

Canonical texta5298f696194ec6b79fe4539ca62ae2bbd166562d29c665607a44cf0871de90e
Markdownc3a0dcd15d2871bb3184703b06b1654d5957b6790748ed4f786d6aeff080f62e
PDF
Publication paged4fd0f1e73062a988418f3ddfc16369fbf795495ead136fe13565d249a974a8f
Manifestb3f2a98fdd821424132edfa9fa94559696854c2ffbae2c39bd5ef7b2fa240f87

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
SignatureZHSqIsjVpveBl2P+Zpf5yN+wyvLta3+3qFm5ylev8xV6SL1k8eimhftvn+JF51C/8Yw/GYqyVklWFBAN73akCw==
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

2026-09-17T11:47:39.219511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025516
observed d4fd0f1e73062a988418f3ddfc16369f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:39.201543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025516/manifest.json
observed b3f2a98fdd821424132edfa9fa945596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:39.181989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025516/publication.md
observed c3a0dcd15d2871bb3184703b06b1654d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:39.159818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025516/publication.txt
observed a5298f696194ec6b79fe4539ca62ae2b...
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.