OpenTechnical

OT-2026-000007947

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000007947) never changes.

Identity and time

Publication numberOT-2026-000007947 · never reused
Internal UUID01a0ae6a-908b-7d03-a065-f1556a4d18a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007947
StatusPUBLIC

Content hashes

Canonical text1d0d5c5abd997755db9ddb26e59a4a28ad6d5488638546312815710b97818eaa
Markdown43c5157c553f5945ad68ecc126c53d936862c4d0205f149b1a58f2a57b04b167
PDF
Publication page78dec4530dbce455f7fd0d9802a484e463f625c0872578b4657170f6d3e93033
Manifest28264dc81cfbf9667b077844ffc6c9970db750803c15401cff0763bacf926d40

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
SignatureZ2dtigaltXADanuAVTJMcKMAxvkyeUHvduxyI+ntUmUGG6/BeR2bpBTEeP3TD9PAt4SjQI59nBXQ8DlHDnCfCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:27.220419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007947
observed 78dec4530dbce455f7fd0d9802a484e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.201657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007947/manifest.json
observed 28264dc81cfbf9667b077844ffc6c997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.181704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007947/publication.md
observed 43c5157c553f5945ad68ecc126c53d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.160575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007947/publication.txt
observed 1d0d5c5abd997755db9ddb26e59a4a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.751715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007947
observed 78dec4530dbce455f7fd0d9802a484e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.733369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007947/manifest.json
observed 28264dc81cfbf9667b077844ffc6c997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.716212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007947/publication.md
observed 43c5157c553f5945ad68ecc126c53d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.693828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007947/publication.txt
observed 1d0d5c5abd997755db9ddb26e59a4a28...
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.