OpenTechnical

OT-2026-000017347

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000017347) never changes.

Identity and time

Publication numberOT-2026-000017347 · never reused
Internal UUID01a0ae6e-76c8-7b08-982a-8f76b67554e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017347
StatusPUBLIC

Content hashes

Canonical texte405c361979e1dfdb7ecb6cae09e02f4a4d2a26196c711db5782aa962a10be91
Markdown96542e4faa6b435fd45679594440a524f25953dc1d04a3c6531d017698d80ea8
PDF
Publication page02c393d0bb8662a32e36f91b36a35bc6e70aa41c3adafc12e4df45b3a2852034
Manifest59643643555ff4bd8580937d7639cdf017de70a351b91db0385bddf271a8a762

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
SignatureYfl+RCJRxwdhXilqEzZC0Xs1zzIJBsRRQF7Y/jQDeSYMiVUNgijeULBZB1VJbAA64kbd6eUl4eRPDwCd30/mBw==
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

2026-09-17T12:02:27.516854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017347
observed 02c393d0bb8662a32e36f91b36a35bc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.497571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017347/manifest.json
observed 59643643555ff4bd8580937d7639cdf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.479779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017347/publication.md
observed 96542e4faa6b435fd45679594440a524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.462385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017347/publication.txt
observed e405c361979e1dfdb7ecb6cae09e02f4...
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.