OpenTechnical

OT-2026-000039146

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039146) never changes.

Identity and time

Publication numberOT-2026-000039146 · never reused
Internal UUID01a0ae78-9673-710a-a7eb-6418a69e5f03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039146
StatusPUBLIC

Content hashes

Canonical textad13f32656cc1024d8f4bd3d82b8ee62609d85e963296c67a98ca1794da44ca3
Markdowncb37b9f79f6b92eb05a7dfaabd2d50195501cf6244cef048beb49f787295aabb
PDF
Publication pagedbce61dc433276c5da5cf1affd0e3d90d285bb258a918613a5807cb4234734bb
Manifest8063349969e9fe67ddd5a52eed4a3c108adc3ec258bba08a08b2ce1c18413396

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
SignatureG7oNUoY/jY6pVATAHCSdt3HAWBBT2IvsbzeW3A78or/a7Ihvn7KGDonV6VfubkvBC+Dafexq1c5/l8TueaCHCg==
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

2026-09-17T11:20:38.180652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039146
observed dbce61dc433276c5da5cf1affd0e3d90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.163392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039146/manifest.json
observed 8063349969e9fe67ddd5a52eed4a3c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.146367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039146/publication.md
observed cb37b9f79f6b92eb05a7dfaabd2d5019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.125513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039146/publication.txt
observed ad13f32656cc1024d8f4bd3d82b8ee62...
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.