OpenTechnical

OT-2026-000058452

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained 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-2026-000058452) never changes.

Identity and time

Publication numberOT-2026-000058452 · never reused
Internal UUID01a0ae88-f39a-7917-afad-3bcd72276d98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058452
StatusPUBLIC

Content hashes

Canonical text1be5cf4d4f8a3bb5b03761d1a1fff582ffb590a75c018a41eb66add0c4843497
Markdownac97d6bee84000c707af892954664f10ce14ed74e837aa76625051a9225d40eb
PDF
Publication page0f675d615c9a0a0f176f3996008f1a6b977086fedebf868a6c367fc86eda364e
Manifest5b65621eea0899ead8b207102e44e69ef9c668cf707b6aba583d9e8f1b03e870

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
SignatureGGOC5RlUfEfAL+HjNZQiB3His1waCRcsGAdF0VFkNfaDyqeTp2Q+MIh0fle/zvJeaL/wnqmZ910Os1w3VF6uAw==
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...

Independent retrieval

2026-09-17T10:46:54.039291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058452
observed 0f675d615c9a0a0f176f3996008f1a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:54.021086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058452/manifest.json
observed 5b65621eea0899ead8b207102e44e69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:54.002881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058452/publication.md
observed ac97d6bee84000c707af892954664f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.985283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058452/publication.txt
observed 1be5cf4d4f8a3bb5b03761d1a1fff582...
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.