OpenTechnical

OT-2026-000020148

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, pulsed 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-2026-000020148) never changes.

Identity and time

Publication numberOT-2026-000020148 · never reused
Internal UUID01a0ae6f-4379-7fee-8333-140d0e98111e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020148
StatusPUBLIC

Content hashes

Canonical text329ea7876314b8708a65edd6cb4b31c1629faf792870beedb6f2c19a9dee230f
Markdownb0d0528cd69233918cb6b6b21c070466d0a97703b88ffddc02b01a88f21e7431
PDF
Publication paged75f3b314facccf9a41e3a7c540bacffdb6b97eee9a8500fe415ecf1d6e76bf6
Manifest13dd9f2cc7d0a2b3c471885c66cd2616d75d2db43ea260d53a88738974b13cc0

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
SignatureWNLOt3sBCs8ZQZ2PVNQetIplRwmrX23LImvB6PEfB4yqKwmGzzAzHTjuvdOI2/5F+BEeOiTaMdtBJK7FfgpjDA==
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

2026-09-17T11:56:27.745781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020148
observed d75f3b314facccf9a41e3a7c540bacff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:27.727325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020148/manifest.json
observed 13dd9f2cc7d0a2b3c471885c66cd2616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:27.706771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020148/publication.md
observed b0d0528cd69233918cb6b6b21c070466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:27.687001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020148/publication.txt
observed 329ea7876314b8708a65edd6cb4b31c1...
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.