OpenTechnical

OT-2026-000079258

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000079258) never changes.

Identity and time

Publication numberOT-2026-000079258 · never reused
Internal UUID01a0ae96-0b90-7056-b88c-30ff776f8550 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079258
StatusPUBLIC

Content hashes

Canonical texte8b9b59733c265cc15ed4061ff473aac0cf6c6bd3a25073c4cc693df57cbba92
Markdown928f42f0cd486231bcb2f56b65ab1274466a9689b1d7439c97cb534c7c0bb50f
PDF
Publication page68a8a15ca2659a52f7423ef715302b7eba877e8efe3550c552a0379f1eff9219
Manifest634811ee2cbfbb91edc211dbd98ba2cd0c5d2a4287e5159ea0a04c20263da980

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
SignaturefTe7yeN9qInmvUnuyCB0kT9p6Ru/B9NGqeGDEWcF4hNIOcF5ohltWd8biy2yQ81be1nY8COmQ+MPls8UC0iVDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:51.164274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079258
observed 68a8a15ca2659a52f7423ef715302b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:51.145868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079258/manifest.json
observed 634811ee2cbfbb91edc211dbd98ba2cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:51.129223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079258/publication.md
observed 928f42f0cd486231bcb2f56b65ab1274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:51.112008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079258/publication.txt
observed e8b9b59733c265cc15ed4061ff473aac...
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.