OpenTechnical

OT-2026-000085422

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, sustained 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-2026-000085422) never changes.

Identity and time

Publication numberOT-2026-000085422 · never reused
Internal UUID01a0ae99-aaab-768d-997d-8296dc186de3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085422
StatusPUBLIC

Content hashes

Canonical text434e7a04f0bb6d68d7bf768176515bd460a5e956b7d26deae24dc1abb2a67728
Markdown966acc355654f96e7cd04c7592c714aed19c8218c99e06f893f6c630a78fa881
PDF
Publication page9d73a0249678dffb14dca2ec3d8f0e230a8842920a5122271034cd59559fd269
Manifest2c271ae5609454f03e01f863745d9ddee0b9b005cdbb48d2f7ce42ec8e3d1c46

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
SignaturelWN6mn0pgmauxc0z7r7XTR3crGQS2/48YXrSuXhq4u4mvX/H47xqjc7p7DXzgmIYTZTHoYOISaTDeuA03l7cDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:11.976662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085422
observed 9d73a0249678dffb14dca2ec3d8f0e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.958478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085422/manifest.json
observed 2c271ae5609454f03e01f863745d9dde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.939773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085422/publication.md
observed 966acc355654f96e7cd04c7592c714ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.920537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085422/publication.txt
observed 434e7a04f0bb6d68d7bf768176515bd4...
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.