OpenTechnical

OT-2026-000048541

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048541) never changes.

Identity and time

Publication numberOT-2026-000048541 · never reused
Internal UUID01a0ae80-4de6-7f9e-94fe-68272150582c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048541
StatusPUBLIC

Content hashes

Canonical text39d6632324e0f31f8568378f460293d25c4c1c42b9c46ab2cea56b359c0e29bc
Markdown84a2faad56d0d67ba26396fdd46feaa5cefb21cb98c3c76fbd1b5ea57251fe92
PDF
Publication pagedc61eeee87a6f99c7abad664c0aebdda5e97373629411b87d508c6e28b038230
Manifestcd26af83ddc2c301b06d53a153e0c6b575dcbc49cd14280252d5e55f5386e1f4

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
Signatureegv9BRSPVaMndMM4TJYKB9Iiwocvi1mDEgkZSMSUpYXTfROBbQapIUB27gCO9y99zsoObixVhH4gh+R5KEwoCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:19.965739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048541
observed dc61eeee87a6f99c7abad664c0aebdda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.947447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048541/manifest.json
observed cd26af83ddc2c301b06d53a153e0c6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.928999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048541/publication.md
observed 84a2faad56d0d67ba26396fdd46feaa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.911425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048541/publication.txt
observed 39d6632324e0f31f8568378f460293d2...
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.