OpenTechnical

OT-2026-000038712

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000038712) never changes.

Identity and time

Publication numberOT-2026-000038712 · never reused
Internal UUID01a0ae78-769e-704f-8a74-37b0ae729888 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038712
StatusPUBLIC

Content hashes

Canonical text0eb9031a3fb9f3a5975d1adc17f5f504c368bd1d840db138cc5155c3c26048bd
Markdownaff65d9252f83ecc2155a436c8d4314021b265fe2cf2318635c431bac534bd08
PDF
Publication pageb38d682eb40fa3ef7ac5a80e23e5bafb35f03092adce81c23798bf13b79f3a5e
Manifestef23d4344811e4d9b078dec89d504362b387a8a50eb4dbcd3ddcedb9f3b056a8

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
SignaturerkfrBCcvbqzNkEWmsaz8fb3cOnzAviZjNK6NLcy7h8dP971XtTBobFF+qBt/2zdFZ/srwcr11nybBmDuhF+dCA==
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

2026-09-17T11:21:14.121484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038712
observed b38d682eb40fa3ef7ac5a80e23e5bafb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:14.102783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038712/manifest.json
observed ef23d4344811e4d9b078dec89d504362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:14.084082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038712/publication.md
observed aff65d9252f83ecc2155a436c8d43140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:14.064445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038712/publication.txt
observed 0eb9031a3fb9f3a5975d1adc17f5f504...
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.