OpenTechnical

OT-2026-000079407

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000079407) never changes.

Identity and time

Publication numberOT-2026-000079407 · never reused
Internal UUID01a0ae96-0b91-74e8-98c2-cccabae16e50 · 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-2026-000079407
StatusPUBLIC

Content hashes

Canonical texte6774c9740a2e91e910ef575f2dd4265c1f81af168b783ec66a2176b6bf4f3da
Markdown1ddaa31714167ff793f53067a3db7ea07343682123925c8cfd7640c679aef1b3
PDF
Publication page50d0d1a3c8125a18166721642be594a870b929d6f35906601ec0ca8f5f8100e6
Manifestf73cb3d5f8bff64e68a736ba9dc91096eb7ca4d741938c4d54e6697d62d2be6f

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
Signature7lNJCIWMPy5sLNXvBBBs1iAMl6deoq+TJCmByl9LUYDcuP0vrVzTkbQHO1nAS+Zm0fsgICv5e2JAO+7AWXRWBg==
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

2026-09-17T10:05:01.840520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079407
observed 50d0d1a3c8125a18166721642be594a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.822558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079407/manifest.json
observed f73cb3d5f8bff64e68a736ba9dc91096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.804418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079407/publication.md
observed 1ddaa31714167ff793f53067a3db7ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.786734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079407/publication.txt
observed e6774c9740a2e91e910ef575f2dd4265...
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.