OpenTechnical

OT-2026-000069572

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000069572) never changes.

Identity and time

Publication numberOT-2026-000069572 · never reused
Internal UUID01a0ae90-b52b-7864-92c4-0bfc5edc31b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069572
StatusPUBLIC

Content hashes

Canonical text66b3c3654cbdb21295293ced204dcbab13c25f31558a9a5893b6431c054c1566
Markdown6b857b52aac8ddb013e4e7a5d168bc4cca7af41dec4fa3dc81a11dd71be6224c
PDF
Publication pagea1457f9480330f4d677cfd7738c089ad9ad491aa560edbe25273ecb1760d65f4
Manifestc0fc0205f8589ebd9f9a82c740cc96992df6fd50f0dafe720ec582a95cc1c5a9

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
SignatureQRfm/zwY5tJx1NP8pHXVjhzg/cMNJqmfxZerITXJ+ApxlOmeVJDRJFeOaMzQtQmlVST1Krh04Rd5BkUdxaiEAA==
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

2026-09-17T10:30:41.758778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069572
observed a1457f9480330f4d677cfd7738c089ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.741007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069572/manifest.json
observed c0fc0205f8589ebd9f9a82c740cc9699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.720417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069572/publication.md
observed 6b857b52aac8ddb013e4e7a5d168bc4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.702550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069572/publication.txt
observed 66b3c3654cbdb21295293ced204dcbab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.761399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069572
observed a1457f9480330f4d677cfd7738c089ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.743749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069572/manifest.json
observed c0fc0205f8589ebd9f9a82c740cc9699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.724534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069572/publication.md
observed 6b857b52aac8ddb013e4e7a5d168bc4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.705927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069572/publication.txt
observed 66b3c3654cbdb21295293ced204dcbab...
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.