OpenTechnical

OT-2026-000044285

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044285) never changes.

Identity and time

Publication numberOT-2026-000044285 · never reused
Internal UUID01a0ae7c-39d6-75c8-92be-32f00bb504e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044285
StatusPUBLIC

Content hashes

Canonical textfa62ef4a8becac4326918224a16877cfd281d4862a965cdf4b881b3eff9a02b3
Markdowndca98cf4385ad02feee9121087ad8836573dc45da8668eeefbdeff4a8534497c
PDF
Publication page44dbd0922d2f9c0b2c0c4d88a8c08c1d6ea689c2a54d9f7051b9b9866e0a043c
Manifest76fd12d36e30293c8e08f95da83cb3c42958d8ef427ae6d521167442f72e7ee6

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
SignatureD6CyIWQKBTgltlrlX1o8SW64kldExFctyTQvcWO45yjflyYzB4ofvrH5iYt2dggqt1QQwE9faC8FwCNb+/skDg==
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

2026-09-17T08:30:12.827901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044285
observed 44dbd0922d2f9c0b2c0c4d88a8c08c1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:12.805235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044285/manifest.json
observed 76fd12d36e30293c8e08f95da83cb3c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:12.786351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044285/publication.md
observed dca98cf4385ad02feee9121087ad8836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:12.766212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044285/publication.txt
observed fa62ef4a8becac4326918224a16877cf...
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.