OpenTechnical

OT-2026-000052436

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000052436) never changes.

Identity and time

Publication numberOT-2026-000052436 · never reused
Internal UUID01a0ae84-5739-7544-830a-29ac8e3a2455 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052436
StatusPUBLIC

Content hashes

Canonical textcf672b7528f03f6997789e3124b51010a600fc27e578a172e896739e13149d19
Markdown0e92aec51ad04797fc9a530a53be50e2a5c1d01a75d521d742e8aaadff7be63d
PDF
Publication page5deeedb941a8c95460a23c787bca8dadf4149465136d581a894078e4ffbcf251
Manifest7d2d79e70dc569886803090554f2a0d67a83219347adff1c6356e3dcb46a5479

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
SignatureBfNLZujbA95IZb/sT03LBb6e1YoF/9YzE5d4T5vFGjAOoYusnO93gbRFaMeK8HQ5ZCNSsek8JJ6m3qPs4/WPCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:03.318640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052436
observed 5deeedb941a8c95460a23c787bca8dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.302494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052436/manifest.json
observed 7d2d79e70dc569886803090554f2a0d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.286119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052436/publication.md
observed 0e92aec51ad04797fc9a530a53be50e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.267322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052436/publication.txt
observed cf672b7528f03f6997789e3124b51010...
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.