OpenTechnical

OT-2026-000089268

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000089268) never changes.

Identity and time

Publication numberOT-2026-000089268 · never reused
Internal UUID01a0ae9b-db01-79e8-af8e-13ff0200f1c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089268
StatusPUBLIC

Content hashes

Canonical text25b964b35ab29fac85f9de40ed147612ddbface6db3d8259ef40882dd8a90608
Markdown746f51a180b287aee9b0551c85224963343849ffbb8f248c0e91864d07edc73d
PDF
Publication page3b5b06f4547fa1a8f5abc82803fc11153b3510528ff71b2ad6776e8db911535c
Manifest6c05f5f59367f559ed2967d54e35eae831b7fc806bcaa0c177c3db93ee89d302

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
SignaturerHD1FvVhHKrXdU1uwXFkyO3af9bZyez+2sCPOaNWWZj66xOhndu7QUSbhLg3IChy095b1MG8Mo1IzCsycnyrDA==
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

2026-09-17T09:47:18.432071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089268
observed 3b5b06f4547fa1a8f5abc82803fc1115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.414633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089268/manifest.json
observed 6c05f5f59367f559ed2967d54e35eae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.396744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089268/publication.md
observed 746f51a180b287aee9b0551c85224963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.380501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089268/publication.txt
observed 25b964b35ab29fac85f9de40ed147612...
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.