OpenTechnical

OT-2026-000053388

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000053388) never changes.

Identity and time

Publication numberOT-2026-000053388 · never reused
Internal UUID01a0ae85-0a8f-7948-9fd0-fc1338751e92 · 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-2026-000053388
StatusPUBLIC

Content hashes

Canonical text7a45b41560a13d8bbd5ae0003e98fe7213aaadbb258eb03a7579f62fba047577
Markdown28ffb843ad8547734b0dd2d72838de5b723a7c7693491a994ba56c7391e886c1
PDF
Publication pageb093004ccabdab367cb9901cbbd09618d694102aa512045fa9b25f3287aebd87
Manifestf0fc38e9afd46e4400d4b8d285167c0a165ff0c0f25c75932ab79671eefc9c08

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
Signature7IZbdswek5JZPQZ4ai4CT8YsXoalRuNSLJKPbz6N+Y3u8tPaveNfsrwdKslf4IlPHz10TnSnfXxrrt8CspwkCg==
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

2026-09-17T10:55:06.587345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053388
observed b093004ccabdab367cb9901cbbd09618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:06.570779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053388/manifest.json
observed f0fc38e9afd46e4400d4b8d285167c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:06.554639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053388/publication.md
observed 28ffb843ad8547734b0dd2d72838de5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:06.535586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053388/publication.txt
observed 7a45b41560a13d8bbd5ae0003e98fe72...
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.