OpenTechnical

OT-2026-000038090

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000038090) never changes.

Identity and time

Publication numberOT-2026-000038090 · never reused
Internal UUID01a0ae77-f88b-798f-8c12-8d6e4d03b558 · 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-2026-000038090
StatusPUBLIC

Content hashes

Canonical text6ce23e9ec3dcbea623f84cb72ed2c98d529f61e261930a257419d0432723a8fa
Markdown73069b725bc573f05536cb792635a8323508a3d3b54d922ea7d1ba56ff56a856
PDF
Publication page973c3876f4b6980b2d20bc0f140dadb53a8a91a850fb0f7e3798fcf070223a49
Manifest5f372006854922b4dae5df4301eb0b27eab6d16937407969495bb24739a9e134

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
SignaturePwTEUS73h+a/+MuwUQ+hHVR/RsCYLTQK4SklUWwYpp1VOVcJzI/X0vrHr9j+nhawchC479Uo9ZyBrGEvMhcUDg==
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

2026-09-17T11:23:25.358190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038090
observed 973c3876f4b6980b2d20bc0f140dadb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:25.340554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038090/manifest.json
observed 5f372006854922b4dae5df4301eb0b27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:25.321152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038090/publication.md
observed 73069b725bc573f05536cb792635a832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:25.301957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038090/publication.txt
observed 6ce23e9ec3dcbea623f84cb72ed2c98d...
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.