OpenTechnical

OT-2026-000023977

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000023977) never changes.

Identity and time

Publication numberOT-2026-000023977 · never reused
Internal UUID01a0ae70-aed7-75c6-960c-c8800e73dc00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023977
StatusPUBLIC

Content hashes

Canonical text2527f3fb82a6e37bc6b91a345db797109cf8f57860125581c1d21188bb3914da
Markdowncc6675e8b2f4160a889161cb4c06af0b55b7666a074acdfe9b8c95a84e506f4b
PDF
Publication page1064d717165b448c952e0c2dc915b554ac5d8f7eb956ee7d4a08516ea0a56c93
Manifest7b00fc528f2c5ebfb15647beead45ba103b1848bcd071eac476ff8dce97a693b

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
SignatureAQBlXMnD5tMhfk4O3yXMspUyvcKqkY81Zx+oUgLaOjSDvEpA0YgRnAWh14T5md/AfMmpoTacaEpEk91rlOATCA==
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

2026-09-17T11:50:44.426960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023977
observed 1064d717165b448c952e0c2dc915b554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.393839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023977/manifest.json
observed 7b00fc528f2c5ebfb15647beead45ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.369449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023977/publication.md
observed cc6675e8b2f4160a889161cb4c06af0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.344785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023977/publication.txt
observed 2527f3fb82a6e37bc6b91a345db79710...
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.