OpenTechnical

OT-2026-000082801

Publication integrity record

Three cup vacuum gripper, three zone face, six 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-2026-000082801) never changes.

Identity and time

Publication numberOT-2026-000082801 · never reused
Internal UUID01a0ae97-8cc9-7228-acdc-450fa534bd35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082801
StatusPUBLIC

Content hashes

Canonical text52b9a49ffe6b120bab13b46a64bc90edeeef3aae77109c47651a97f1df65df22
Markdown24607ad87367afd9e7152189836780b283f30e2aa3268d71ece667752219f426
PDF
Publication page87cefa0ddd6a41d88d0b69ed0f01572c7633d8ea72187b33f12f0e4143d018f8
Manifest1db7099f9129045bb892c1ea99f61b9f7b6763e2873faf79011a8ae690c0ee74

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
SignatureFrOGWdmHA9D8PP8kLnu5/pyGMToA/7O9TAGVzR+MmCrH5AsHnToE9fMvk2L4oh/MYLCn9XufEQahUBpog4stDw==
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

2026-09-17T09:58:23.653951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082801
observed 87cefa0ddd6a41d88d0b69ed0f01572c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.638540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082801/manifest.json
observed 1db7099f9129045bb892c1ea99f61b9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.620738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082801/publication.md
observed 24607ad87367afd9e7152189836780b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.604020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082801/publication.txt
observed 52b9a49ffe6b120bab13b46a64bc90ed...
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.