OpenTechnical

OT-2026-000075474

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000075474) never changes.

Identity and time

Publication numberOT-2026-000075474 · never reused
Internal UUID01a0ae93-f201-7caa-b99e-9f8290f56e95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075474
StatusPUBLIC

Content hashes

Canonical texteace6cf32e57c583c189a61b64005c848640dd345d3819d48760ad81f9edecd5
Markdownc3f0eb6188ea0b33c527c8cbef58459229389c2a6963adbccbe6178cdc8533e7
PDF
Publication page1678e25cde9c2cee8661a2aaa2c89f810545688f76b550a94da29c74366e916f
Manifest1f4dedcfb346702fb1443ebf16000470586206a6534818e726a9c846036e451a

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
SignaturehNoLt5/ZmBN54n0F+VUfHg7upQP4ma/t0EezF1uL0dV/sigY3zGXS2V5XzlA5liJzGWsBgcaVVZyiZTAFAS+Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:47.014069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075474
observed 1678e25cde9c2cee8661a2aaa2c89f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:46.994409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075474/manifest.json
observed 1f4dedcfb346702fb1443ebf16000470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:46.976736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075474/publication.md
observed c3f0eb6188ea0b33c527c8cbef584592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:46.958378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075474/publication.txt
observed eace6cf32e57c583c189a61b64005c84...
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.