OpenTechnical

OT-2026-000089186

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000089186) never changes.

Identity and time

Publication numberOT-2026-000089186 · never reused
Internal UUID01a0ae9b-db00-7c14-93ce-e131e6dcfb9a · 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-2026-000089186
StatusPUBLIC

Content hashes

Canonical text19e05fa520956b5b12a01b736a92e12eb8a430fd4b984c5fdb38fa4738453eab
Markdown5f0f7cac60bdcaa66a39cc894c95b79c90938914006c22312c67dc3b73b30d11
PDF
Publication page84d65ca0a33745d349fe749dced948e5b51bd76223e5e2ea0c384fbe83feaf8f
Manifest126fa5decde940f4812beb3352ea315904df340459eca8f0fcc79c133695819a

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
SignatureoItQBmxakpykfyn+2rlGXGDqHsvHYnijsy+KZcJ735y0UPa98M8ILaAirWr7Nvl1BVF/KP/UpgfGUSt9Uz0JAw==
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

2026-09-17T09:47:12.074916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089186
observed 84d65ca0a33745d349fe749dced948e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.057279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089186/manifest.json
observed 126fa5decde940f4812beb3352ea3159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.039322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089186/publication.md
observed 5f0f7cac60bdcaa66a39cc894c95b79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.999147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089186/publication.txt
observed 19e05fa520956b5b12a01b736a92e12e...
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.