OpenTechnical

OT-2026-000091756

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091756) never changes.

Identity and time

Publication numberOT-2026-000091756 · never reused
Internal UUID01a0ae9d-43b9-7189-b2b4-c9490580d12a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091756
StatusPUBLIC

Content hashes

Canonical textb23ef0c62bb87a1b2161fbd00b0a79f67b038f799aa08548009d2f33dd221a2a
Markdownea732ae14b5b35449ff0b14a282ca1e51b0d7f79a2ce90be2b52f7fe83c6e61b
PDF
Publication page42a2c1d771bdcacef149697c5f0c85ecb4ea6c414ab2d7a75fa9d5e7f9f9c387
Manifest040e2aecd5b627daf97731247ad2f0831c1881afab37d76ed473aa1ab77fe809

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
Signature/WYIeubnFP8N5gTKX73atS1gAS8QTg29ro16yeTFtw2ONcfgFEs+GctXYTlFDiV7YELnfI9Aj1h4v3tralKJBA==
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

2026-09-17T09:42:38.927984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091756
observed 42a2c1d771bdcacef149697c5f0c85ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.911043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091756/manifest.json
observed 040e2aecd5b627daf97731247ad2f083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.893362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091756/publication.md
observed ea732ae14b5b35449ff0b14a282ca1e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.876674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091756/publication.txt
observed b23ef0c62bb87a1b2161fbd00b0a79f6...
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.