OpenTechnical

OT-2026-000032471

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000032471) never changes.

Identity and time

Publication numberOT-2026-000032471 · never reused
Internal UUID01a0ae75-106f-76da-b861-9e1d3d475732 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032471
StatusPUBLIC

Content hashes

Canonical text98605f6806c421afd1a3dc97df1ebc129c78150f648b2663e11d24d5ded8b6c6
Markdownb9f985305cf9fa92bed9f6ce1f9b9681b28dabac1b49fffec84f70b2601de461
PDF
Publication pageb1543da53604c3a34b844836f16ce0b9107516b6a213a7f184548ab3e7e028d1
Manifestde061cf0cc1a38ee49954f71e9a8c7c5969c39193dc6835fd5c9f4687967b930

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
SignaturettrYrxdyOBX0QxbPnfNnciYDO6agqCcwzYv5PTiV/hxX7Xwr91hjhCDctdp5Ul+W7/i1FIav3l8iq1sUBUioDw==
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

2026-09-17T11:33:54.205641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032471
observed b1543da53604c3a34b844836f16ce0b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.186911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032471/manifest.json
observed de061cf0cc1a38ee49954f71e9a8c7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.170209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032471/publication.md
observed b9f985305cf9fa92bed9f6ce1f9b9681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.153043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032471/publication.txt
observed 98605f6806c421afd1a3dc97df1ebc12...
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.