OpenTechnical

OT-2026-000027705

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000027705) never changes.

Identity and time

Publication numberOT-2026-000027705 · never reused
Internal UUID01a0ae72-699a-7377-9e58-bf8f666da48e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027705
StatusPUBLIC

Content hashes

Canonical text420099773d189a383f48e382b06d47b5713bdc9ecd3eff83f19150081a73ab21
Markdown8b96dfaca9946ea5d5cba5f3ce575e990083698c1f31ad1f09009c3890cb6d0d
PDF
Publication page956016bb74f24b030fb47a0dbc722e36170fc421ba8500b8426d56c516ce7792
Manifest390ad33c89618964b42cc34702eb42bfda246c1fadde635eefb1615ae23f3099

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
SignaturePItu09dUnBJD8NkddqhKzkhZwl+FL8VJhQohIn/9OhkicXOt1BR3EjZtCyqguiPhxiGzRIqnKudROVfrbb2TBg==
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

2026-09-17T11:43:15.340602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027705
observed 956016bb74f24b030fb47a0dbc722e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.320638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027705/manifest.json
observed 390ad33c89618964b42cc34702eb42bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.302892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027705/publication.md
observed 8b96dfaca9946ea5d5cba5f3ce575e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.286985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027705/publication.txt
observed 420099773d189a383f48e382b06d47b5...
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.