OpenTechnical

OT-2026-000059381

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000059381) never changes.

Identity and time

Publication numberOT-2026-000059381 · never reused
Internal UUID01a0ae89-8615-755e-8159-42670a2dcfff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059381
StatusPUBLIC

Content hashes

Canonical text493806d5ff2b2c61688bf5ab44c94eb4e6e20299a20769824b8d80e307e8a2e9
Markdown00511b63b766a554161de14b07364157c18160bea99530711e2a94a02865ae6b
PDF
Publication pagede8f0f5e65ef9f4f4df77021f0c5b59214e9d05ec61fa47832c84d8a04ab4b8f
Manifest14748168852d18531ac7e85ed85e73aae743979975d13d716b8b3a60af44f0ee

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
SignatureeBHGfLec91hXVmnsdihO6v+EdHD+jtOD7/dR8EY5I4MVZBzd2Crwzg7/f0xxE/JxyybLujS0vr4uK0fmRE7mDA==
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

2026-09-17T10:46:03.160993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059381
observed de8f0f5e65ef9f4f4df77021f0c5b592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:03.142429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059381/manifest.json
observed 14748168852d18531ac7e85ed85e73aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:03.123399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059381/publication.md
observed 00511b63b766a554161de14b07364157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:03.105497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059381/publication.txt
observed 493806d5ff2b2c61688bf5ab44c94eb4...
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.