OpenTechnical

OT-2026-000030693

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000030693) never changes.

Identity and time

Publication numberOT-2026-000030693 · never reused
Internal UUID01a0ae74-3fb3-7df2-91d2-b4ea7ac02020 · 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-2026-000030693
StatusPUBLIC

Content hashes

Canonical textd5717b783aba00c9dc2acda02761883babd34315f78c9c885825a319a8a77d23
Markdowne65338a76c48f947ca983d36cbe24f4ca4e7ec41bf53acb8fc562a816c3d7531
PDF
Publication pagee48a3f2236492d3bdf541ed9bb866752622871d8d7a09bb74680bea29c20974e
Manifest0faa445a07e11a11b14b4f701ebdd8c3eaa7ee6942f7d0c0c1cb70b2a8831a7e

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
SignatureOOtg8XSOQT70ppqML1JvCY2Samrpy/z6ydTKF3Gyaf33K8dnejmvECbns3qQiZKNMXf9EBazAN/DWRuuee8YBA==
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

2026-09-17T11:36:36.495586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030693
observed e48a3f2236492d3bdf541ed9bb866752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:36.477009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030693/manifest.json
observed 0faa445a07e11a11b14b4f701ebdd8c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:36.458706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030693/publication.md
observed e65338a76c48f947ca983d36cbe24f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:36.441200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030693/publication.txt
observed d5717b783aba00c9dc2acda02761883b...
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.