OpenTechnical

OT-2026-000093155

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000093155) never changes.

Identity and time

Publication numberOT-2026-000093155 · never reused
Internal UUID01a0ae9e-0910-7be1-aad6-5e37d628ea5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093155
StatusPUBLIC

Content hashes

Canonical textd14a9e2bf7866297c8cb7cd46148bbd8439953a328726f6f9fd0032e05e9adda
Markdown8de5d451930d4e43c3674c3e270355177cb853dc89bd448b9d68b871917e7664
PDF
Publication pageb9285fb31b27b04fc175a0124a85770595e65775db205ef4a2455fb9128f96f3
Manifest4980ef1fb0fff4b15af832e8c83daa660bc840331f60dcbfe1913f926c15f689

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
Signature2o1zCRTCYyga8kBGwPqhuUfvz5czVIw8ANLtNymQcb2OP0FxlKu0hlHoVHRzjBjjnZH2Ugt9ICfmrpM3RHpVCQ==
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

2026-09-17T09:40:27.132499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093155
observed b9285fb31b27b04fc175a0124a857705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:27.116431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093155/manifest.json
observed 4980ef1fb0fff4b15af832e8c83daa66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:27.099052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093155/publication.md
observed 8de5d451930d4e43c3674c3e27035517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:27.081174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093155/publication.txt
observed d14a9e2bf7866297c8cb7cd46148bbd8...
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.