OpenTechnical

OT-2026-000031064

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off before 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-2026-000031064) never changes.

Identity and time

Publication numberOT-2026-000031064 · never reused
Internal UUID01a0ae74-3fb8-7048-ba30-c0fa4b573981 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031064
StatusPUBLIC

Content hashes

Canonical text03adf5c6963821013647085b6664d4b54e97114e3dff3af1049674cf4c240027
Markdown5a683a8dd1b92372ced3b6408fe69371d11dc469569f9657bd88473c00be068a
PDF
Publication pagee4fee7d7e4ff537b09f4abff97ea2fe5ac6c7ecc739f1973cbd18647142294bf
Manifestd3ee1f8b82a8ac33490ec23c6e34ad10ae5c93c263083d92da8db72125366cd8

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
SignatureRpnbBFY/MGY8v33vWTlII3TZOQWLtgRQjje3Cz8byn63lWeQN7EvZjQGMgfUv1OyQWnMBCq/Bbp/WqkJJ1keAw==
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

2026-09-17T11:40:10.311917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031064
observed e4fee7d7e4ff537b09f4abff97ea2fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:10.293293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031064/manifest.json
observed d3ee1f8b82a8ac33490ec23c6e34ad10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:10.269041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031064/publication.md
observed 5a683a8dd1b92372ced3b6408fe69371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:10.249441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031064/publication.txt
observed 03adf5c6963821013647085b6664d4b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.996933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031064
observed e4fee7d7e4ff537b09f4abff97ea2fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.980541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031064/manifest.json
observed d3ee1f8b82a8ac33490ec23c6e34ad10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.961795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031064/publication.md
observed 5a683a8dd1b92372ced3b6408fe69371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.945487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031064/publication.txt
observed 03adf5c6963821013647085b6664d4b5...
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.