OpenTechnical

OT-2026-000038187

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000038187) never changes.

Identity and time

Publication numberOT-2026-000038187 · never reused
Internal UUID01a0ae78-2d50-795d-8dd4-f5c5111c68aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038187
StatusPUBLIC

Content hashes

Canonical textbeefd17f20d21e737a6db05cc34397f8d2d1678b0d2e5e046f9b4c3c2e42a64d
Markdownc23ef6c82d3c10c0579ad6971cac38f4cb15b34817c855b7c027858362468c75
PDF
Publication page1c21a60d2772af1cb55c06afa91b814bdf13aca85c57223dbea220e152b61e0f
Manifest91348ee8026c8b2ea2c629cae9774518cd2ad3763fdf1efa7df8833ac02e38d8

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
SignaturebFDDkrjwc+BRQkZhjKm0A/1kbrfSWZlAr+edtO3fx50UsFbvk8NdAtf8fh4jvIkWC93KttAlMDIG4hvuhIFVDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:18.821165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038187
observed 1c21a60d2772af1cb55c06afa91b814b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.805161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038187/manifest.json
observed 91348ee8026c8b2ea2c629cae9774518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.788881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038187/publication.md
observed c23ef6c82d3c10c0579ad6971cac38f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.771107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038187/publication.txt
observed beefd17f20d21e737a6db05cc34397f8...
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.