OpenTechnical

OT-2026-000056844

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, sustained blow-off after set-down, on a tool changer

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-2026-000056844) never changes.

Identity and time

Publication numberOT-2026-000056844 · never reused
Internal UUID01a0ae87-7af8-761a-80c6-6a5bc15c7e8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056844
StatusPUBLIC

Content hashes

Canonical text2961b155e85e0ced27c9986508a537f9a819ea8a825a4c048d1250ef311a8a79
Markdowna5877dcc3021377a7c483239e0b6d05bf744063a352a2feedbaf8f764f572740
PDF
Publication paged70fb411c6897023ce288f8314ddd28bed9db3f36cc7b24532653c75ec9ddb29
Manifest77944774de558521e1eebb4f4c426e3f673b148b87726ac78efad5f45599a719

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
SignatureKFj4U0H0btKQNHHMvqNBy1rxoaVCVTCSNNxtGZ7dluN2DfECFZeOHPOsqe6HtnmRjiDFaPwUpLEosJCoLYTfBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:20.579805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056844
observed d70fb411c6897023ce288f8314ddd28b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.559478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056844/manifest.json
observed 77944774de558521e1eebb4f4c426e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.543511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056844/publication.md
observed a5877dcc3021377a7c483239e0b6d05b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.525795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056844/publication.txt
observed 2961b155e85e0ced27c9986508a537f9...
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.