OpenTechnical

OT-2026-000048330

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000048330) never changes.

Identity and time

Publication numberOT-2026-000048330 · never reused
Internal UUID01a0ae80-4de4-77a6-a9e7-8c2ab74e8c42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048330
StatusPUBLIC

Content hashes

Canonical textc9cf515c7f8270212199d4e5cfbaba5d57fa6e93db0aa1359bbca923db13d5b1
Markdown17b2702b9c7cf8d278542d1c5f633b463657f6df82712e8d9a46870176ac5aad
PDF
Publication pagea9ee01d7c5b202480e05210722c28ce8417ab2c1ede06cfe38876b6392d2a871
Manifest0646db18b5efad08a36d14edc2830e3e5af446531d1d588902680bff052ad2e0

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
SignatureDmFzkft7wx/JWPCuIM+x+3YMVue7o9fz7E+FHQausx/PHxzhFUmd9yOF4/SzOykiCfEly49AJFvmQGtZY5z3BA==
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

2026-09-17T11:04:56.137005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048330
observed a9ee01d7c5b202480e05210722c28ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.117161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048330/manifest.json
observed 0646db18b5efad08a36d14edc2830e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.097749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048330/publication.md
observed 17b2702b9c7cf8d278542d1c5f633b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.078509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048330/publication.txt
observed c9cf515c7f8270212199d4e5cfbaba5d...
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.