OpenTechnical

OT-2026-000047099

Publication integrity record

Three bellows cup 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-2026-000047099) never changes.

Identity and time

Publication numberOT-2026-000047099 · never reused
Internal UUID01a0ae7e-d0f8-70cf-9980-1941b62bf786 · 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-2026-000047099
StatusPUBLIC

Content hashes

Canonical text2212dfb92652c6e71a2b82a4953062cf40eef1b2cfe5b6c995dea4553b05b1b2
Markdownacdec1ef2bb3ef509afc20e04baecdb9cbab03710709eedd4222c9b236eb0569
PDF
Publication page87aa75bff743a0842d8d82874659066a53f0688e3183af013c5f02fea4f1bda6
Manifestcbcd8f9dde4ff72f8f4369948ee58c9061440507bee8028625a4bd3b81ec0c73

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
Signature58uG9IPTwgKilRTD0n/hr880TJfi1RVYaHk/65U6SmXTwO2kkDmn2fToFrQY527bcLSwI/8iWT0XSg6EkDEaCg==
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

2026-09-17T11:10:25.190059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047099
observed 87aa75bff743a0842d8d82874659066a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.169803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047099/manifest.json
observed cbcd8f9dde4ff72f8f4369948ee58c90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.146361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047099/publication.md
observed acdec1ef2bb3ef509afc20e04baecdb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.126575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047099/publication.txt
observed 2212dfb92652c6e71a2b82a4953062cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:53.346382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047099
observed 87aa75bff743a0842d8d82874659066a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:53.326915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047099/manifest.json
observed cbcd8f9dde4ff72f8f4369948ee58c90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:53.303857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047099/publication.md
observed acdec1ef2bb3ef509afc20e04baecdb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:53.282159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047099/publication.txt
observed 2212dfb92652c6e71a2b82a4953062cf...
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.