OpenTechnical

OT-2026-000027977

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000027977) never changes.

Identity and time

Publication numberOT-2026-000027977 · never reused
Internal UUID01a0ae72-a51f-7513-8d44-54474fd9efeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027977
StatusPUBLIC

Content hashes

Canonical text7e782566fc6a998663187f2b560b4caf24cae2fe8c16f6b626f06866c7060563
Markdown9db80b0b3936aa1db63530c2737ca48488eea5da602181a6eea9bd359153c667
PDF
Publication pageab178697a7962bdc5546b1e458264f65746a623a07c07de50047fb12b6669de3
Manifest45aeba1dad7f69f06e4d2fe6b6df7321fe7733be867f7025a9a38a6dbc9494ae

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
SignatureOi74jYYj1DR9kfQ1avzXTEm0KuNMlQyv2UzGMWHkstRUpaJr9BaHl188mrKr6Rmt9UsdRB/6sm87vk9Y8mvDAw==
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

2026-09-17T11:42:10.621986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027977
observed ab178697a7962bdc5546b1e458264f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:10.603303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027977/manifest.json
observed 45aeba1dad7f69f06e4d2fe6b6df7321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:10.585334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027977/publication.md
observed 9db80b0b3936aa1db63530c2737ca484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:10.567655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027977/publication.txt
observed 7e782566fc6a998663187f2b560b4caf...
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.