OpenTechnical

OT-2026-000038033

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000038033) never changes.

Identity and time

Publication numberOT-2026-000038033 · never reused
Internal UUID01a0ae77-f88b-79e4-84bf-06d7f1465d3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038033
StatusPUBLIC

Content hashes

Canonical text64548fcf9da2a737ce746c53fba8c708051d979ecaafeb57381dc88ecceeead0
Markdown1fb93eee7e396948d186b059fd809cf33eface634de0df36b5a9eaa2940d6721
PDF
Publication page40c95468cbfe8ccb4c54003117fab6e0e76099d3694cd9c0841a4b9392510b0f
Manifestd81ca7e3d6a324ff0828ce3583311acce5d5fc19859881b6c0cf17fa3e2e76e9

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
SignatureT/8nx3/EnsqKf7dp1sn2JlW+gG88yjih+Ypqr2xkd9D5ssU7Gi4yETA/USBhfaF1PPZika83ut1Dpq1w1SkZAg==
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

2026-09-17T11:23:20.699821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038033
observed 40c95468cbfe8ccb4c54003117fab6e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:20.681356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038033/manifest.json
observed d81ca7e3d6a324ff0828ce3583311acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:20.660856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038033/publication.md
observed 1fb93eee7e396948d186b059fd809cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:20.644385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038033/publication.txt
observed 64548fcf9da2a737ce746c53fba8c708...
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.