OpenTechnical

OT-2026-000035405

Publication integrity record

Two cup vacuum gripper, two 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-2026-000035405) never changes.

Identity and time

Publication numberOT-2026-000035405 · never reused
Internal UUID01a0ae76-6a20-7d95-99df-2005532fdcc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035405
StatusPUBLIC

Content hashes

Canonical text3f2a031851b3637e576bf1d5f379ee7973d82f019a6b14ba0a0383c573d7f7b9
Markdown0c6d1b2e9bc87c1a286fa24df60498417a683276c53f670a4891d2505fcc286e
PDF
Publication page2fcad38f8cb0a207a2f0a0b179be0f07913dceccbfb989bc7644e158b29ac74e
Manifest650d92ff66c9932c895df30e64aba12b4cba9bbd77f1e98f9ba702019331bcb8

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
SignatureMckT2ZS5Jbbcu/uwAIOVu+GTkFb3L33OpkXqfBNR6KewVeZyh2ry9nK1z3QOUiX9sulY0KezR2YInPXAPWL4Ag==
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

2026-09-17T11:28:42.450437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035405
observed 2fcad38f8cb0a207a2f0a0b179be0f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:42.427489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035405/manifest.json
observed 650d92ff66c9932c895df30e64aba12b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:42.406635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035405/publication.md
observed 0c6d1b2e9bc87c1a286fa24df6049841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:42.386224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035405/publication.txt
observed 3f2a031851b3637e576bf1d5f379ee79...
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.