OpenTechnical

OT-2026-000057983

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000057983) never changes.

Identity and time

Publication numberOT-2026-000057983 · never reused
Internal UUID01a0ae88-6ed9-7308-bcbe-9862cffbb37f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057983
StatusPUBLIC

Content hashes

Canonical textcf2703c46bef79c35b89076838657ce61747fe6384d1e66aa2997bb1b40e7a4e
Markdown11ea0f1982eeed3f4cc1ed1171da8efec278c8cd8b467f50efd302ee1f259151
PDF
Publication page01aaddf768c614ce9faffe022ddd303dd2b659c65133e9c0affc4b1f7faeda02
Manifest261a97b882168120249a6210d2ee1ecdedc18c50f98e9d54583e0339ca002430

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
SignatureXXgjU98XuuVrz880EVxG0EH/h6FLBSfZ70een5Hk3AuevCeANDBHJ9Uo8wr9wevRuDM7g4xe9IpCyXNpelcOAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:36.614738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057983
observed 01aaddf768c614ce9faffe022ddd303d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:36.595745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057983/manifest.json
observed 261a97b882168120249a6210d2ee1ecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:36.575977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057983/publication.md
observed 11ea0f1982eeed3f4cc1ed1171da8efe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:36.557268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057983/publication.txt
observed cf2703c46bef79c35b89076838657ce6...
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.