OpenTechnical

OT-2026-000059841

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, vented after 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-2026-000059841) never changes.

Identity and time

Publication numberOT-2026-000059841 · never reused
Internal UUID01a0ae89-ec25-7aac-ae9e-c9d6bbc41d31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059841
StatusPUBLIC

Content hashes

Canonical text040b07ab8966c27edfdb8e543afb69582794a46102c89afcd1988a0aae594dab
Markdown5f708fe6ad2e4c80ef8e53a118fb6470ecf05eadc911dde16a90023a92da22f2
PDF
Publication pagec71e039c0ddac8a408eba33ef41706e402ee3522b49a808416484d442a6ff925
Manifest65811e32cea7bf541ff30ad7045b33432d7ce36ef732b422ac03fd9efbef3859

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
Signature+BQUhs5BmdXY5/JwH/v7h0EfhDBaC6jC5z426djXsucqjE0r/OLrbtbLR0ZZ0cXZx8owDKaaGJC1VyPlMNzvDg==
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

2026-09-17T10:44:35.374745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059841
observed c71e039c0ddac8a408eba33ef41706e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:35.358734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059841/manifest.json
observed 65811e32cea7bf541ff30ad7045b3343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:35.339447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059841/publication.md
observed 5f708fe6ad2e4c80ef8e53a118fb6470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:35.319972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059841/publication.txt
observed 040b07ab8966c27edfdb8e543afb6958...
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.