OpenTechnical

OT-2026-000087865

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087865) never changes.

Identity and time

Publication numberOT-2026-000087865 · never reused
Internal UUID01a0ae9b-1aa5-7816-b964-10dd505afc0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087865
StatusPUBLIC

Content hashes

Canonical text0a1f5c644b35c1639d5cfa5b86a1c085cce6e71cd4200a197274757bc5106cbb
Markdown28fad13545bb343a22aad9aa287eacb51bcecc12dbcf4b034984e55b3e9c1fd7
PDF
Publication page22607b126da40b2cc429de771bf86b3e1d9dd21788613a9d58b24c583366f127
Manifest40e69e919112a59f0d6d42d45412b7ff3ab3d0c62c537ae9609167de8b8e29af

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
SignaturePikchkGbYdQb6g89mZzLHKS+KFp70VQB0+lrp7OHQhdhEmTkrsC9aa9FNNInTFpQnqY8XJnq0h+mypa1LCzxCA==
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

2026-09-17T09:49:07.243432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087865
observed 22607b126da40b2cc429de771bf86b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:07.223337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087865/manifest.json
observed 40e69e919112a59f0d6d42d45412b7ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:07.203989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087865/publication.md
observed 28fad13545bb343a22aad9aa287eacb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:07.185251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087865/publication.txt
observed 0a1f5c644b35c1639d5cfa5b86a1c085...
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.