OpenTechnical

OT-2026-000053248

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000053248) never changes.

Identity and time

Publication numberOT-2026-000053248 · never reused
Internal UUID01a0ae85-0a14-72ed-a036-807a27c256ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053248
StatusPUBLIC

Content hashes

Canonical text1138eb3b8a5c6866daef18747d1584c357f97d2e23b6ff82a51d580026d17157
Markdown4cacd161d73f9b02a49e8f2157017cb48472d4b6b19af03c3c22529a84fcf223
PDF
Publication page273c43ce24696ca6d340f563c70eb29f96c57686f181145875c494af88fc7ac5
Manifest66b92b94fff751cba1f42041decf8e12c4d446dfccb87ceb5e35356b28998fdd

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
Signaturepm4rj4CuaXiTi77wgz8X4mMdczbFWq/9ahn+zIyj59K8RkWmf7BJ0NlfhSSnYQGHZlWvVkBGWUoxLlJNAEDPCw==
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

2026-09-17T08:40:56.572147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053248
observed 273c43ce24696ca6d340f563c70eb29f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:56.552992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053248/manifest.json
observed 66b92b94fff751cba1f42041decf8e12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:56.533146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053248/publication.md
observed 4cacd161d73f9b02a49e8f2157017cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:56.514255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053248/publication.txt
observed 1138eb3b8a5c6866daef18747d1584c3...
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.