OpenTechnical

OT-2026-000038492

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two 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-2026-000038492) never changes.

Identity and time

Publication numberOT-2026-000038492 · never reused
Internal UUID01a0ae78-2d53-7029-86b1-1dd793856c25 · 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-2026-000038492
StatusPUBLIC

Content hashes

Canonical textc23e334dc6a5340b98781afdd1bfed7e9ff04b404c49f6f545a9108c9d0f8c32
Markdown9d415a94c9659ff554e14b042c06ba76f3f3d2dbda7e05b940c988ce3254f984
PDF
Publication pagec72959abb481d9388f141b7b7486b2d56625ea2c7be90700a3cc18478f03d9f9
Manifest6d747520ddb03bb47623137bdb017eeba27a11e9d3a138d446b4a14c9814f690

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
Signature2CbbcRta8fZqM7g2rov5L6j4Twk+m3FalnktD7Qsb6MQk91AN1wvlGf14OCwXTxd8ys6nlfDf8XBhPsUZpffDQ==
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

2026-09-17T11:22:44.099345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038492
observed c72959abb481d9388f141b7b7486b2d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:44.078929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038492/manifest.json
observed 6d747520ddb03bb47623137bdb017eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:44.059398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038492/publication.md
observed 9d415a94c9659ff554e14b042c06ba76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:44.040537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038492/publication.txt
observed c23e334dc6a5340b98781afdd1bfed7e...
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.