OpenTechnical

OT-2026-000009178

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000009178) never changes.

Identity and time

Publication numberOT-2026-000009178 · never reused
Internal UUID01a0ae6b-31b9-712a-8ade-eb068b36bfaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009178
StatusPUBLIC

Content hashes

Canonical text7b4d4ca631752f40db6419a25f3f8128409f37be2232e6829daeaf7904bb40b6
Markdown44e648e978d686ceb5068d867d42274fc7ebd36f61eb3e1ea82f00a75730b3b7
PDF
Publication pagefca0e87bb4cb38dc93703d05b08afa316355faf98f2f37f42075870fb0102b3d
Manifest4652cae01de04e290f170b5bd450dbea09f4cbd6c5a094418a4a89d659e7e44e

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
SignatureC0rlUrrIZ4T0zMxLibAv4qHg4knCU9z5gNxcdtKk0rdyLIp6V0jT+QXfQ0Svo3+tuecco2RgUIPg7sfEnDCOBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:53.272810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009178
observed fca0e87bb4cb38dc93703d05b08afa31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:53.253667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009178/manifest.json
observed 4652cae01de04e290f170b5bd450dbea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:53.234697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009178/publication.md
observed 44e648e978d686ceb5068d867d42274f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:53.215328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009178/publication.txt
observed 7b4d4ca631752f40db6419a25f3f8128...
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.