OpenTechnical

OT-2026-000059657

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000059657) never changes.

Identity and time

Publication numberOT-2026-000059657 · never reused
Internal UUID01a0ae89-ec24-7ac3-952e-6d701ba49483 · 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-2026-000059657
StatusPUBLIC

Content hashes

Canonical text2be5bc092eed8cabef5e540247ba5d836958f77a7e3e893d8da74368f02c4f63
Markdown9826745ff14f4ad884f4d46371bd60c5124fe30909cff19a8748bb1b59a67b1f
PDF
Publication page003d5023471dff1bbb2886a4628d06355c259ce9359b27b54cc7789aa3485914
Manifest8022e8ec52f89c7a33cfcc56a4c63ba7b63eaa2211e424b62c97e9a79f52ee8e

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
SignaturerL8d+ofXAfsFRsOdWGcJlwxVBLVDpRTYd5+yxd+x37wbnVFP1+uBefOwHPnjUQgSsDxaq+QGeN5E2CFQEpDpCg==
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

2026-09-17T10:44:21.302597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059657
observed 003d5023471dff1bbb2886a4628d0635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:21.283835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059657/manifest.json
observed 8022e8ec52f89c7a33cfcc56a4c63ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:21.266871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059657/publication.md
observed 9826745ff14f4ad884f4d46371bd60c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:21.248881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059657/publication.txt
observed 2be5bc092eed8cabef5e540247ba5d83...
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.