OpenTechnical

OT-2026-000090132

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000090132) never changes.

Identity and time

Publication numberOT-2026-000090132 · never reused
Internal UUID01a0ae9c-428f-714a-97af-360d84f6c09e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090132
StatusPUBLIC

Content hashes

Canonical text6e3e87fae31bf142bacb2b2444d5e5b5b33de1d67ca56d12888d05921efc453b
Markdown7d3f908408e24a295982eaf31c6a9648ba5c7d75df5048c4c3de32cf320539ae
PDF
Publication pagebc49e4a712ddb8b4c6af1981c4e7602296c3687e00b101d8f595b1917fc8813c
Manifest682bbfbf08063ae19b6c35d6e7ab66d260b101776f0c9c6a6fdd0eb57f4882fc

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
Signatured3xsirbXtLbuChZdHhdUH9XcK88xEVmFQ7qWMQvkMC8hSOU2eZ4hrCdeyeBKFwl3/a3pcgZqD5SceCHvQk5/DA==
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

2026-09-17T09:45:34.111517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090132
observed bc49e4a712ddb8b4c6af1981c4e76022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:34.092752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090132/manifest.json
observed 682bbfbf08063ae19b6c35d6e7ab66d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:34.074498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090132/publication.md
observed 7d3f908408e24a295982eaf31c6a9648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:34.057360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090132/publication.txt
observed 6e3e87fae31bf142bacb2b2444d5e5b5...
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.