OpenTechnical

OT-2026-000029013

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000029013) never changes.

Identity and time

Publication numberOT-2026-000029013 · never reused
Internal UUID01a0ae73-2a9e-7be5-9f4f-733d0c39b3d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029013
StatusPUBLIC

Content hashes

Canonical textc59c0d4646d4c6e92659ced6009a9e03fe49ccf3a1b7ae1427cdc28b47eeec5e
Markdown9b6b516096ec4d6d53e01900aa512d770934302644dcfa1466282e33b1999764
PDF
Publication page26ae477fbca4109f9d41ae9751fb72a2e818abd23b609e1e65348d6fde9c86aa
Manifesta872b0e73275e2b78030e91cab21b4f27dc0f5468b86f85d432b3b711344812d

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
SignatureNST6QA9+jk0MsK/ytrJPHS7lW3XhNFO/tkGjxeVSffBPZTSwoQ2SSch+50rg/hkuNTAlIXhZWCVrhL5MZwjVAQ==
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

2026-09-17T08:20:35.191203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029013
observed 26ae477fbca4109f9d41ae9751fb72a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:35.068215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029013/manifest.json
observed a872b0e73275e2b78030e91cab21b4f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:35.051733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029013/publication.md
observed 9b6b516096ec4d6d53e01900aa512d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:35.032744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029013/publication.txt
observed c59c0d4646d4c6e92659ced6009a9e03...
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.