OpenTechnical

OT-2026-000066880

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000066880) never changes.

Identity and time

Publication numberOT-2026-000066880 · never reused
Internal UUID01a0ae8f-14fd-7cf2-b244-360fbac08b9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066880
StatusPUBLIC

Content hashes

Canonical text90bbd8246ffa09a8cf8fd8ab7258b6c5a026bc722e757f2354d9fe0baadefcdc
Markdownca50b26b265e484fb454cfb355b89edb183577b133f2387365549ee31db3b173
PDF
Publication page3d419ee72db9e5d9c7f6290a5484b1f873e98b5bc18cd281a87273f341231c07
Manifest2bd317b4a70fe8fc404b107c54d085defc6cd5cac4d7b5bffcd8076d461594f6

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
SignaturekK1ooGq1SqmsMnL5MRd39jiJcYBi8E3jVFCEXb2jr9SuDp3rZx8PF4ZxD2vgJpAqy1mBHcx8iuQfMag2nm6nDg==
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

2026-09-17T10:32:04.655073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066880
observed 3d419ee72db9e5d9c7f6290a5484b1f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:04.638715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066880/manifest.json
observed 2bd317b4a70fe8fc404b107c54d085de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:04.621900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066880/publication.md
observed ca50b26b265e484fb454cfb355b89edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:04.604348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066880/publication.txt
observed 90bbd8246ffa09a8cf8fd8ab7258b6c5...
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.