OpenTechnical

OT-2026-000023001

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000023001) never changes.

Identity and time

Publication numberOT-2026-000023001 · never reused
Internal UUID01a0ae70-46ec-7964-b67b-5d8586045950 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023001
StatusPUBLIC

Content hashes

Canonical text11c5cb5e818734b2fac76133c5d21f90edec5879e928f850bfd0fad435153cee
Markdown4c10249c74be1b46cd86d1fb8d7a14fe7978dc9bc78f46eb34dda850e7ea3e1c
PDF
Publication page6334980d1fbe3ad1c461c2c9eaf7a6db47cd8f18d0256861bd50858e2e3917aa
Manifest3ba04bb001261a5eced0304547b3fef0c16c3d9ef41464591dd2e9469801643f

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
SignaturePCBHl9JvUe41N71wUIIpsur4KsDS4kWUi/z36YZ/EX32kjTD48z7DB8pmjgEeejCSij7uw0YBxkCMwMTltxjAA==
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

2026-09-17T11:52:35.710922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023001
observed 6334980d1fbe3ad1c461c2c9eaf7a6db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.692851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023001/manifest.json
observed 3ba04bb001261a5eced0304547b3fef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.673178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023001/publication.md
observed 4c10249c74be1b46cd86d1fb8d7a14fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.655449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023001/publication.txt
observed 11c5cb5e818734b2fac76133c5d21f90...
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.