OpenTechnical

OT-2026-000056875

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000056875) never changes.

Identity and time

Publication numberOT-2026-000056875 · never reused
Internal UUID01a0ae87-7af8-77a6-ae52-7a149e77c4b2 · 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-2026-000056875
StatusPUBLIC

Content hashes

Canonical textc06b3d80fdbbe0bbcb3ec050f3f1263796569bc09c103900a7bb311586b3c055
Markdown90abcdce66a839f75a2f2ab1d907fbf768fe36104ecbb31b6a0127e3ec12b540
PDF
Publication page16cda39b8fcaa1b67d95f24b946770decaa1c6af7800e7376d5be68b8d3fba23
Manifesta41ddcbe2a8a3e873f517d7e8b9715f616b3904bc0d21efdc93575780d4e8f43

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
SignatureEaFZZpDBut+oR4tdOVdj5QypKfRb2Xl/a0ndDrYPopYwhXeJX7SnovlEqAhqRqbhHQjqebhZi5kMu9AWhyeMDA==
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

2026-09-17T10:50:24.387231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056875
observed 16cda39b8fcaa1b67d95f24b946770de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.368077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056875/manifest.json
observed a41ddcbe2a8a3e873f517d7e8b9715f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.348291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056875/publication.md
observed 90abcdce66a839f75a2f2ab1d907fbf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.331199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056875/publication.txt
observed c06b3d80fdbbe0bbcb3ec050f3f12637...
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.