OpenTechnical

OT-2026-000085587

Publication integrity record

Two bellows 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-2026-000085587) never changes.

Identity and time

Publication numberOT-2026-000085587 · never reused
Internal UUID01a0ae99-aaac-7b26-b79e-f0eab8917732 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085587
StatusPUBLIC

Content hashes

Canonical text4c7fc77a4063a50f86465bb59c4645b40a5175ab17396c8b0ccf6f853a0ade7d
Markdown04d7a6b6765ff665add25413994429108afa227e43034fe385f65ca80b534500
PDF
Publication page3dfbada195c96cc11d336bdd9318b8d648b0534ff6273af248c53d03f01e6b84
Manifest0ce47a494a46e3659f81f3ec1493abd3c8819d35dec13dce6829c15b60b0bc6d

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
SignaturefgnORh+50rvlo+dbOTcdCE8UK/V6JpTBsF5N/63Ku3ws3t5wKK2ZmHBZbQbTPeH5ky8qXeUEL8+8ZPod8EInBw==
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

2026-09-17T09:54:27.577419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085587
observed 3dfbada195c96cc11d336bdd9318b8d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.558393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085587/manifest.json
observed 0ce47a494a46e3659f81f3ec1493abd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.535917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085587/publication.md
observed 04d7a6b6765ff665add2541399442910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.511179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085587/publication.txt
observed 4c7fc77a4063a50f86465bb59c4645b4...
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.