OpenTechnical

OT-2026-000037986

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000037986) never changes.

Identity and time

Publication numberOT-2026-000037986 · never reused
Internal UUID01a0ae77-f88a-7cb6-a4c2-273b8ae54cac · 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-2026-000037986
StatusPUBLIC

Content hashes

Canonical textec4d956a3b4431544b7ceff8375901e2956442762d95a2db5c5e6e568b851ff2
Markdowne267dc62cbe6e5a1a929245e93e490b524fdc36f789a7bf7f91a6f73c4f57952
PDF
Publication page6f23beafca87657ee7273bf8c3fb83f736bad5778bb319c65e029a15b17f445f
Manifestea793fc91dc0279e0ea190bb56f17a4601db69aabcdac3467f7da843f9d93711

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
SignatureTQmY/M3c2zK79E4YXoftexkcbgNBDzsvQDRjW8hLYsFYLocaEB8fonQFtcgGmYym+NIhzwJQGPNycCHmNPz+Cg==
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

2026-09-17T11:23:16.907230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037986
observed 6f23beafca87657ee7273bf8c3fb83f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:16.891151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037986/manifest.json
observed ea793fc91dc0279e0ea190bb56f17a46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:16.872984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037986/publication.md
observed e267dc62cbe6e5a1a929245e93e490b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:16.855481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037986/publication.txt
observed ec4d956a3b4431544b7ceff8375901e2...
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.