OpenTechnical

OT-2026-000025482

Publication integrity record

Four pad foam 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-2026-000025482) never changes.

Identity and time

Publication numberOT-2026-000025482 · never reused
Internal UUID01a0ae71-5fa8-78cc-98e6-746ba50a6ab5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025482
StatusPUBLIC

Content hashes

Canonical text5e545711fef24ade1918b7732b0eec25d675c0896418efe546636347da80e1e0
Markdown3f0b99d963e46b72f3e3ae67bb21b46988053926b90ab92b972f5d18211d865e
PDF
Publication pagebaea503ec5b29bdba47049dedf0e8696b471127342ed10eace9948eaab1391e1
Manifestf855602b467885c25dccd95ea5ab95cd6bc285f30e3df4aad0625da39e6f915c

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
SignatureAx+tO5VCsPgnvCjg6CqAdbY8qP3GisudKYeXTmsnvkvNd3WRLABgNHEJojdRArws0Z/rW1UZ9RBQRIpVm36pDA==
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

2026-09-17T11:47:34.420430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025482
observed baea503ec5b29bdba47049dedf0e8696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.402797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025482/manifest.json
observed f855602b467885c25dccd95ea5ab95cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.383430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025482/publication.md
observed 3f0b99d963e46b72f3e3ae67bb21b469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.366563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025482/publication.txt
observed 5e545711fef24ade1918b7732b0eec25...
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.