OpenTechnical

OT-2026-000056550

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000056550) never changes.

Identity and time

Publication numberOT-2026-000056550 · never reused
Internal UUID01a0ae87-7af5-7545-bd59-bf7d7c494a5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056550
StatusPUBLIC

Content hashes

Canonical text7e454bc67050bbfabe12d214311cbe450b9ab32c11d9386df0f21db3f41749e0
Markdown7b102714f99d6d9f57d0d5a63746b9c7c218a211938dab9d565c13ed4816c770
PDF
Publication page70940d6ca5770947421d9fc4b32ad4806bfe6d05a21449cbbffa9c467886d496
Manifest82566557699288e9d5ff9c9884210c3efb7c565e95ebcba45b985a96c0df66cb

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
SignatureTkoSHmbnFPw1qWAB0XBEQaUgo7un03f1hxC6IAMQeFRcsJqCfg3+vAxwGI1o/XutN2s+MyuauVSFbkMjOaFOBg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:52.996823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056550
observed 70940d6ca5770947421d9fc4b32ad480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.980060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056550/manifest.json
observed 82566557699288e9d5ff9c9884210c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.961738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056550/publication.md
observed 7b102714f99d6d9f57d0d5a63746b9c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.942905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056550/publication.txt
observed 7e454bc67050bbfabe12d214311cbe45...
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.