OpenTechnical

OT-2026-000048432

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000048432) never changes.

Identity and time

Publication numberOT-2026-000048432 · never reused
Internal UUID01a0ae80-4de5-7cf6-b0ab-d95b7261220f · 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-2026-000048432
StatusPUBLIC

Content hashes

Canonical texta5f2ce21ba0ff6006562501a980063cdf1c6655a5b45c5710c62c0894c2482ae
Markdown4218a1259f55f7619e1721a98a458a5062b542dcc0b6e3babf346c561970a1b9
PDF
Publication pagebb82aff83d071ec72e084ee096ea4c9473c83760e76252a2a909647d198e4521
Manifest3d936fe19c59e0841de8a4c4f5901a115b3d6e0f0e6d1aaa375ff8ce0239ba13

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
SignatureRDxizwrNmOLuLAJC0WIs7MtARL0qXVLis3ZkUWAhkQAPew2LADojDhVr6+CWh9VAQkxoocy+uinh1doVc2e2CQ==
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

2026-09-17T11:05:04.879606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048432
observed bb82aff83d071ec72e084ee096ea4c94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:04.860722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048432/manifest.json
observed 3d936fe19c59e0841de8a4c4f5901a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:04.841837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048432/publication.md
observed 4218a1259f55f7619e1721a98a458a50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:04.823413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048432/publication.txt
observed a5f2ce21ba0ff6006562501a980063cd...
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.