OpenTechnical

OT-2026-000048529

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-2026-000048529) never changes.

Identity and time

Publication numberOT-2026-000048529 · never reused
Internal UUID01a0ae80-4de6-708e-b8dc-ed9a313adb27 · 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-2026-000048529
StatusPUBLIC

Content hashes

Canonical text9bd38611e24aabafde87d828047560aa68e56b4e1bfdd885f2ab9c8ae7e1917f
Markdownbdd990ee12e618d3909f68f0905337234fd6664e4ae0f84fb50b183c3772bbec
PDF
Publication page4d49d3d1551afa69965b8c4f3aecde9351348a73b1a689345c1881939be8a200
Manifestd713cc5efd73f29c861ffd2056feef974f4d1a3e356f9eb5d62da53f28dc033b

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
SignatureGAdmJlNcW7NHLsqpt9JP0qM+NkhjfkTHSvUMJrkgRrDsRhTf5W6nkVUja0/pTuzhn70VYeHl/eSbFZeC1iX2Dg==
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

2026-09-17T11:05:19.022869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048529
observed 4d49d3d1551afa69965b8c4f3aecde93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.002945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048529/manifest.json
observed d713cc5efd73f29c861ffd2056feef97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:18.984600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048529/publication.md
observed bdd990ee12e618d3909f68f090533723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:18.966426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048529/publication.txt
observed 9bd38611e24aabafde87d828047560aa...
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.