OpenTechnical

OT-2026-000031129

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000031129) never changes.

Identity and time

Publication numberOT-2026-000031129 · never reused
Internal UUID01a0ae74-87aa-7ca4-b9d8-f77300d64c1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031129
StatusPUBLIC

Content hashes

Canonical text20cdadcd86b21c9f09b9e2fb011e311ddb9c68addb2bc811a936c404521aadc6
Markdown8acfcf64d248aa941917f2a7759b88db7ec454d66ad6fbf9c466cfcfd90ae4ce
PDF
Publication page87243edef589d9471e03c3942c36d2de4ef3d14146c8ee8562b32bb631cdab1a
Manifest1ab31856c9749b397ad87439221d2467bc48d1af43124ae46d83351604657b59

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
SignatureI442vitv6aBwFOyIM4FNqrFfZMIDLdmYr8FcpEFLDPPtuASqMdJQxkE7yAzqmmb3e6/+G3Fld0VW8maGdlb1CA==
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

2026-09-17T11:35:33.984819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031129
observed 87243edef589d9471e03c3942c36d2de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.966720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031129/manifest.json
observed 1ab31856c9749b397ad87439221d2467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.948434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031129/publication.md
observed 8acfcf64d248aa941917f2a7759b88db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.931471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031129/publication.txt
observed 20cdadcd86b21c9f09b9e2fb011e311d...
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.