OpenTechnical

OT-2026-000022713

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two 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-2026-000022713) never changes.

Identity and time

Publication numberOT-2026-000022713 · never reused
Internal UUID01a0ae70-46e9-743f-86ea-16807e56f6e6 · 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-2026-000022713
StatusPUBLIC

Content hashes

Canonical text43b709c2a4e5d18d30d4920f0e147f558f96aead157dceabca6d22a98e681997
Markdown86b000684301b04c413ae3bcb223a478161b3b96f7defecb25aaf85f8ca03852
PDF
Publication page7ddc6dcfdcf630e067f75cf1c12a75997d5f8d783df573da8c4a5f1eb4196898
Manifest5d1fc62b25bd03211bcc0b518be83a54cac0c490f8a7bdbe3180e22c8085f3c8

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
Signaturel7yQtTHadE6WSSoR3Zfl+Yyuz1k/C5yFnAxFd64W9xziU+2qAzj9R8CtyEUMVaMSw0rusOD7WIvRW0yPu9/nAw==
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

2026-09-17T11:52:12.654230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022713
observed 7ddc6dcfdcf630e067f75cf1c12a7599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.634951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022713/manifest.json
observed 5d1fc62b25bd03211bcc0b518be83a54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.615928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022713/publication.md
observed 86b000684301b04c413ae3bcb223a478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.596918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022713/publication.txt
observed 43b709c2a4e5d18d30d4920f0e147f55...
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.