OpenTechnical

OT-2026-000059869

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump 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-2026-000059869) never changes.

Identity and time

Publication numberOT-2026-000059869 · never reused
Internal UUID01a0ae89-ec26-7767-b947-ec841ab53486 · 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-2026-000059869
StatusPUBLIC

Content hashes

Canonical text0addb2f53debaa63ffd6fcd206e4e36f6c6c1a0553fda6d144f233ecb83e9696
Markdown312c08b6b6e4c65079491b3bf1c07b62b10458ccc643e35c0a875f96e3e229fb
PDF
Publication pagee63ee3a7d4684ccfeba0b5653fadd9dbbedb0efeb6b627129ee02cf15f246038
Manifeste42084fe5710ec9e403e7ca8d8400bde6235cbb624d873dd751cfffb90d8e893

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
SignatureuQ6m2/RU7fPMWYqt3YvmsjIMDXNH/7PBABmDAuHsg9JoxrwOIkbxTBbAvwbxwxryotoFMsmfTEVQxpGytIRMCg==
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

2026-09-17T10:44:37.433220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059869
observed e63ee3a7d4684ccfeba0b5653fadd9db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:37.417168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059869/manifest.json
observed e42084fe5710ec9e403e7ca8d8400bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:37.400030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059869/publication.md
observed 312c08b6b6e4c65079491b3bf1c07b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:37.381382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059869/publication.txt
observed 0addb2f53debaa63ffd6fcd206e4e36f...
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.