OpenTechnical

OT-2026-000079107

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000079107) never changes.

Identity and time

Publication numberOT-2026-000079107 · never reused
Internal UUID01a0ae95-ccbf-711d-a47f-83a76ae26225 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079107
StatusPUBLIC

Content hashes

Canonical textca2936017c301a8a0746df2dbc1238435c66e4690b44193ce0ae0b2ef7741007
Markdown1fc7e0521c731adb8dac6850774c695b9b006023859ab149ee8a8939871ae6fd
PDF
Publication pagecbb9096710552886f5e8cdf052f9e1d3f16200d52a2ff1dbca45328e17d96041
Manifestc9866db97af543dbc4d8999ff33bc3d419b181e481dd14d1fbcbd3da0d1cb59c

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
Signature6YfDQEekpmUNrTk7b9sxbfQGeB6NgpC8h8RgN3A2GhOpHiqdg8fT2mt8m7c/aWiYmBKD0sJrqdXnh/SyfHuHAw==
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

2026-09-17T10:05:57.309885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079107
observed cbb9096710552886f5e8cdf052f9e1d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.290722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079107/manifest.json
observed c9866db97af543dbc4d8999ff33bc3d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.272112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079107/publication.md
observed 1fc7e0521c731adb8dac6850774c695b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.252253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079107/publication.txt
observed ca2936017c301a8a0746df2dbc123843...
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.