OpenTechnical

OT-2026-000048964

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000048964) never changes.

Identity and time

Publication numberOT-2026-000048964 · never reused
Internal UUID01a0ae81-134c-7d9e-aac5-590f8c1feea3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048964
StatusPUBLIC

Content hashes

Canonical text0526a0b6765eabfc601c5105fe8cb8686864dffb7dca4b4a7102e6c81d621a0a
Markdown6dbc27c4aeecceeeb38be2c049806996e4a5f4ad870b7ae26bc02f0770d77cbe
PDF
Publication page63c6327abd270abe51cc6ab3464786a92f3a211b32733948d0c572b2d5b26101
Manifestbb748fa87b43e338025cd6f5de1acdcb021f091a10c06ab3cfb576e4189f87c1

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
SignatureKM+dPY5Qz5Wi5GqBu2o9l36MqdDc4i9rMPJVToob+bzlxv9fYiCpLK6095wXsOA/Lj+UzwaK6gdiHyQn7WnhAA==
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

2026-09-17T11:03:09.723531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048964
observed 63c6327abd270abe51cc6ab3464786a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.705233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048964/manifest.json
observed bb748fa87b43e338025cd6f5de1acdcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.686063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048964/publication.md
observed 6dbc27c4aeecceeeb38be2c049806996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.667508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048964/publication.txt
observed 0526a0b6765eabfc601c5105fe8cb868...
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.