OpenTechnical

OT-2026-000028164

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000028164) never changes.

Identity and time

Publication numberOT-2026-000028164 · never reused
Internal UUID01a0ae72-a520-7a3b-9b03-5747625457f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028164
StatusPUBLIC

Content hashes

Canonical text8c46756a50466a3331f1125bd52a6a0689dcff03f413ba6301d6fef9b536ecfa
Markdownacacbda6b26c3975ebf3e785777211e31f8a98d6142999385040af7b47154f1f
PDF
Publication pagea27817aa3779c7f347dedcacc5526488a66e229d193d0253fa991edc145638f1
Manifest69a92c881b49c8311145b55cab5efbebbabb51fe62c7d1109412e670ba4d28ae

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
SignaturegECfIhOxHr4KNWS0gCC8cL8ztAq77EYk0aGQKUmcLtp1NtOHMJ8KjuAL1NFpSom9nmCMs3n6QNMb6XqyQErPDQ==
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

2026-09-17T11:42:31.119353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028164
observed a27817aa3779c7f347dedcacc5526488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:31.102835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028164/manifest.json
observed 69a92c881b49c8311145b55cab5efbeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:31.086022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028164/publication.md
observed acacbda6b26c3975ebf3e785777211e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:31.061457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028164/publication.txt
observed 8c46756a50466a3331f1125bd52a6a06...
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.