OpenTechnical

OT-2026-000032945

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000032945) never changes.

Identity and time

Publication numberOT-2026-000032945 · never reused
Internal UUID01a0ae75-4842-7654-ade6-cd83f202a130 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032945
StatusPUBLIC

Content hashes

Canonical textf72b4f741576ca09cd27818c2dd1af474d8bddf4361db70706230ec4de3f40e5
Markdownf72af9895400083f83ccc34645c5ce6c18bd9f2f7b977c77813a9db0cbc65b8d
PDF
Publication pagef6fc82e3ea1da012962c6719a32e52090eed8f5d5026f7305a0c043c0ca44ffa
Manifest2706512923ed60e59f3f7e95347594ef0e5a6f410b488255b2ad9b06d5921378

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
SignatureqadgnwImPBOqLqQ95w0R6QHq14KGBLYTMsCfsiPo+2TVbe0PfAGQEZ87srA6Ovfh7Ee2S7g7DSwLWx4+VhopAA==
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

2026-09-17T11:32:32.810852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032945
observed f6fc82e3ea1da012962c6719a32e5209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.789839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032945/manifest.json
observed 2706512923ed60e59f3f7e95347594ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.772518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032945/publication.md
observed f72af9895400083f83ccc34645c5ce6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.754912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032945/publication.txt
observed f72b4f741576ca09cd27818c2dd1af47...
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.