OpenTechnical

OT-2026-000073091

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000073091) never changes.

Identity and time

Publication numberOT-2026-000073091 · never reused
Internal UUID01a0ae92-c816-777f-b755-bcdd521e0ebe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073091
StatusPUBLIC

Content hashes

Canonical text764b96737accf999a13e6c2364c719ba6ffb336d328545bb4b989f36e5087cb2
Markdown99ea02792e5d57fcc6e73a8af3d7ee0c5676204e64a0a3469e569c32c1f121d6
PDF
Publication page8dc1552a8b1acd8363839f43eed9a85029e5e566e73ecfb2a5d555ad5d892afc
Manifestb4d2656f3122519f3bacaaf26edb139d7b2b948b7ea6cb7f12dc6173a9905aef

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
SignatureSy8TuMpeoHW4xjPnCdsixB23+NPEOvk2+AB+q74ooXZ0ZE8tlSsqTlkgJNDqvt2IeDEfJAPwL+LSheSQ4C6lDQ==
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

2026-09-17T10:22:02.677112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073091
observed 8dc1552a8b1acd8363839f43eed9a850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:02.660723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073091/manifest.json
observed b4d2656f3122519f3bacaaf26edb139d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:02.640504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073091/publication.md
observed 99ea02792e5d57fcc6e73a8af3d7ee0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:02.623203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073091/publication.txt
observed 764b96737accf999a13e6c2364c719ba...
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.