OpenTechnical

OT-2026-000032071

Publication integrity record

Three cup vacuum gripper, three 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-2026-000032071) never changes.

Identity and time

Publication numberOT-2026-000032071 · never reused
Internal UUID01a0ae74-bad3-7857-8a25-9ee21f7d8f12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032071
StatusPUBLIC

Content hashes

Canonical text03f71ab3fc80b3f23dc97c0aa82c1f8c3c5a0698c43b2bd6001f0bf04301cb5a
Markdown506598ceaaa4b62c4428eb0457b5756a0729a33a935f04d247d1927874e20e07
PDF
Publication page89c77c13ea17d437e44436fbe5250f0aa3427bdbff6c9fa5c1baefa23a57feaa
Manifest129cc8e105747d321d8cab1d606d49616cef0d95950465470258e3e0f5b2f040

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
Signaturev5d+EkisrtRh0TCvVuiSjSXSfb83WYoAPoLwHlE/sACjjb1CRjsBGcV+zuj8pDhRA8ZhkaVsKv78lbMksnMjCg==
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

2026-09-17T11:35:29.503219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032071
observed 89c77c13ea17d437e44436fbe5250f0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:29.481381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032071/manifest.json
observed 129cc8e105747d321d8cab1d606d4961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:29.463967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032071/publication.md
observed 506598ceaaa4b62c4428eb0457b5756a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:29.445879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032071/publication.txt
observed 03f71ab3fc80b3f23dc97c0aa82c1f8c...
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.