OpenTechnical

OT-2026-000084880

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000084880) never changes.

Identity and time

Publication numberOT-2026-000084880 · never reused
Internal UUID01a0ae99-43b4-796d-9cf9-433e4ea25cb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084880
StatusPUBLIC

Content hashes

Canonical text845a06271bad51b5fcfda014984456017aacbe5eba3f7bf78c9bb404221336f1
Markdown6e782144aba4e6f8a260aa4f8578f948c7da32afb9ac04caae4dd3fdca52a125
PDF
Publication page75c4d73b51c2d450e8fbc7fcfe9440597ee73ab56eff466c393c8b4980a1b17b
Manifest4527df3fd5b4ebc4aaeea50e7a0d9cddf39b2c5921bec66b5581f729ba85b2c3

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
SignatureNjVidI3o+izffPlO8GA5N5jsPbE6+0GiB/EOSUxQgSLm0O4LzGJ45t96tIFYBAhnchqM5L2Z/Imw66+8Mp9fCw==
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

2026-09-17T09:54:50.276383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084880
observed 75c4d73b51c2d450e8fbc7fcfe944059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:50.260683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084880/manifest.json
observed 4527df3fd5b4ebc4aaeea50e7a0d9cdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:50.242424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084880/publication.md
observed 6e782144aba4e6f8a260aa4f8578f948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:50.224683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084880/publication.txt
observed 845a06271bad51b5fcfda01498445601...
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.