OpenTechnical

OT-2026-000012488

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum 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-2026-000012488) never changes.

Identity and time

Publication numberOT-2026-000012488 · never reused
Internal UUID01a0ae6d-39f7-7afe-9151-b423a808f121 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012488
StatusPUBLIC

Content hashes

Canonical text09beb4d5815f83ce6d4d3273e9e69bb68b28ef565f5da3282f09df6ec1ca1be1
Markdown15acca1d31db828c53708951d5d1dc4ff783acd5dfac564723eaaf26d7373bbe
PDF
Publication pagea3f613137fa936ad31d0a7e109eebadf3321bdd7d04b3ac8d8e4505086903c59
Manifest16f4b41d9206c030aea7e316cb78d7bb1d5caddd326e2adfba41141a7ac8d925

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
SignaturevZO/mOUJzfLeu3GbgzHAAtpi/y8s1XAOtbyUDzMHvP4Uw131gbCT/5kYzYBx00m0z7qeZGCqGjoUs6Sq0ztkDA==
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

2026-09-17T12:12:00.172058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012488
observed a3f613137fa936ad31d0a7e109eebadf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.153412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012488/manifest.json
observed 16f4b41d9206c030aea7e316cb78d7bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.133791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012488/publication.md
observed 15acca1d31db828c53708951d5d1dc4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.114451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012488/publication.txt
observed 09beb4d5815f83ce6d4d3273e9e69bb6...
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.