OpenTechnical

OT-2026-000038528

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000038528) never changes.

Identity and time

Publication numberOT-2026-000038528 · never reused
Internal UUID01a0ae78-2d53-73b7-aad0-0691b0104f80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038528
StatusPUBLIC

Content hashes

Canonical text965f56c446aedcc67dd814ecfb31276f9a96d2b5dea3b87cedbeeab2c71545a1
Markdowndd4530d453289b7b4a907bca09b53ebc8d5ac033dae5d897616f45def45ff18a
PDF
Publication pagea0fc3ac7acd763fff01e95d6ea57fafbbec57b83dd2a99d02d5e8d497ec181b9
Manifest873b3a08f8f373961ecaf6d5fd581dd72b708417803f8e05b14b730879cc4ce2

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
SignatureVAgMjfSV+/CC1P6Dyjqr8okhOZu6lkz1WvQxAXpsHJVITkbiLrby2W1pohNlzFLO9adTNPSjoh5rv+xvcaobDQ==
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

2026-09-17T11:22:47.079461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038528
observed a0fc3ac7acd763fff01e95d6ea57fafb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:47.062074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038528/manifest.json
observed 873b3a08f8f373961ecaf6d5fd581dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:47.043151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038528/publication.md
observed dd4530d453289b7b4a907bca09b53ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:47.024489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038528/publication.txt
observed 965f56c446aedcc67dd814ecfb31276f...
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.