OpenTechnical

OT-2026-000029859

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pulsed 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-2026-000029859) never changes.

Identity and time

Publication numberOT-2026-000029859 · never reused
Internal UUID01a0ae73-ac47-71b0-a78f-f5e27d336f4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029859
StatusPUBLIC

Content hashes

Canonical text1095c6027da1e57e7bb7c3c797f56b93652624c5d6b01f70fcfc5f4b8d3855a3
Markdowne15a17e1781665e08daa91bbe1a09aa0633c762addb9881b3f56d44434e410df
PDF
Publication pagede28305b75ed60a634c267f49d9eeef5584e7c74b9e1b74ae4364bd597dde59d
Manifest850e093c2d0c8c307fb24b146bd59c70fb729690b954db07bb1a1509703751d7

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
SignatureMiMCyjBKPvKHA854PPnySk42nRLzXSezyzilRgSXUR//RsDBN/uCDwqS+rMY6qC6jY1g7iJUA39AdHfzIq9nCw==
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

2026-09-17T11:38:28.967447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029859
observed de28305b75ed60a634c267f49d9eeef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:28.950682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029859/manifest.json
observed 850e093c2d0c8c307fb24b146bd59c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:28.933614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029859/publication.md
observed e15a17e1781665e08daa91bbe1a09aa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:28.917924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029859/publication.txt
observed 1095c6027da1e57e7bb7c3c797f56b93...
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.