OpenTechnical

OT-2026-000093986

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000093986) never changes.

Identity and time

Publication numberOT-2026-000093986 · never reused
Internal UUID01a0ae9e-92c9-7219-b760-67f9c51a0f8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093986
StatusPUBLIC

Content hashes

Canonical textd87c6d4b9b38ec29c14612f613a0de98e4d6f82e88dbd0fd2aa8f77020312250
Markdownf569b235862e502ad483031babd3cace06102d07751acc864235205ae7f96952
PDF
Publication page0ef401b9f28a6719712b9dd4e3f399db78ef8614fc687cad5aa6c36d95f49d48
Manifest8e3fc63b7058b4a36fcb99ceea01e1328017cc3625111beffd3d1d0a3b233c63

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
SignaturekjBX3+IeoWEAyJGn609YomGhi71fxGbbZuhhcpUAvAa+rqa9IFQsafAFuQSRqRbPKqGw2/ZTUL3TvApzPGdaCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:23.412020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093986
observed 0ef401b9f28a6719712b9dd4e3f399db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.393320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093986/manifest.json
observed 8e3fc63b7058b4a36fcb99ceea01e132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.376624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093986/publication.md
observed f569b235862e502ad483031babd3cace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.359190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093986/publication.txt
observed d87c6d4b9b38ec29c14612f613a0de98...
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.