OpenTechnical

OT-2026-000047123

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000047123) never changes.

Identity and time

Publication numberOT-2026-000047123 · never reused
Internal UUID01a0ae7e-d0f8-7397-9b7e-8a08d67e8bef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047123
StatusPUBLIC

Content hashes

Canonical text1164b7c8acde5558eb64888769ab680068ba2c48d874de9fdea93cf5bb774415
Markdownbfb1de346dfbcda8534a2d5205a8e67adb9ff61b8c2f95f353895a564bb75b8e
PDF
Publication page5f5c775b255b829ce0c948f169c1169c365843ba6f98053af598e96dd5e876f2
Manifestd50d319a7b1b873a81d390f8a53a25fbd0decafeec61136d4aed855915c1f9bf

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
SignatureUMVKsFPXh+N5JMwaqOZRL/GPLJMPq26cgJSeMZEaNifxUA6ejDr5zceQoiEIy5RfhlIJzRLXZcjEkMWiVCbSCA==
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

2026-09-17T11:10:27.178534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047123
observed 5f5c775b255b829ce0c948f169c1169c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.159273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047123/manifest.json
observed d50d319a7b1b873a81d390f8a53a25fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.139476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047123/publication.md
observed bfb1de346dfbcda8534a2d5205a8e67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.120718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047123/publication.txt
observed 1164b7c8acde5558eb64888769ab6800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.452984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047123
observed 5f5c775b255b829ce0c948f169c1169c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.433655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047123/manifest.json
observed d50d319a7b1b873a81d390f8a53a25fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.415087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047123/publication.md
observed bfb1de346dfbcda8534a2d5205a8e67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.396323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047123/publication.txt
observed 1164b7c8acde5558eb64888769ab6800...
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.