OpenTechnical

OT-2026-000034278

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000034278) never changes.

Identity and time

Publication numberOT-2026-000034278 · never reused
Internal UUID01a0ae75-df0d-7b87-b859-4bc379fdd2be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034278
StatusPUBLIC

Content hashes

Canonical textecc2213c1e90970e73b153f8622c29a7b1e97b507e1a0f4d9eeb062c40cab8b5
Markdowne6d17193697db84fd3b0100261d75b3b27fe33a55ad8b2ebb33cf616abc1e9c7
PDF
Publication pagecd58f6ce0c6a8272ca8d007c25557d1ba7b7085c4dcb6fd36b7daf69ec844691
Manifest52441b21684918cebb47ad3774a72487ee6ee279154dd95f8516ef66ffeb27f4

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
SignaturesQx02MOIFZwH2ydLddMhd6ka36FVxFwSaXFG/pgHw3tFvWKlkOh38AqpPZDLlkC0gqldyMoid8G6rSCxELOwDQ==
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

2026-09-17T11:30:57.759921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034278
observed cd58f6ce0c6a8272ca8d007c25557d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:57.736728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034278/manifest.json
observed 52441b21684918cebb47ad3774a72487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:57.716012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034278/publication.md
observed e6d17193697db84fd3b0100261d75b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:57.696066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034278/publication.txt
observed ecc2213c1e90970e73b153f8622c29a7...
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.