OpenTechnical

OT-2026-000039893

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000039893) never changes.

Identity and time

Publication numberOT-2026-000039893 · never reused
Internal UUID01a0ae78-d8d6-7c46-a850-8c95ddaa4653 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039893
StatusPUBLIC

Content hashes

Canonical textcb6345d62996e6919140b0b9020d1e8f48f12b604d3aad21c57625080e83b6e4
Markdownb096e77a76b982f0adfa3fbc95dbfe3cfc7fa798f65eb99106b1de6581f313c4
PDF
Publication page14f9d72be93da8036a0b66934071343e90b7fee83b789ffeba95725c030956a4
Manifest129004d236d811d2d917d60457932d9882079ab08e85a9e030a06b766671f130

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
Signaturezupi8FIiyz6G7uAY4dIa7oDC3ko4jkb9PCX8+AyhIndOyvMi5lRolh1r2JyTJRCAG8fMzzm4JOM5e2deVO7+CQ==
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

2026-09-17T11:20:10.891271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039893
observed 14f9d72be93da8036a0b66934071343e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.874060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039893/manifest.json
observed 129004d236d811d2d917d60457932d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.852838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039893/publication.md
observed b096e77a76b982f0adfa3fbc95dbfe3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.832944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039893/publication.txt
observed cb6345d62996e6919140b0b9020d1e8f...
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.