OpenTechnical

OT-2026-000013335

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000013335) never changes.

Identity and time

Publication numberOT-2026-000013335 · never reused
Internal UUID01a0ae6d-6fc9-7a60-b12c-d0a951565102 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013335
StatusPUBLIC

Content hashes

Canonical textac1077619e51355bfb5437c2e2910f0a90faec23d1ebd0db4e688033f5a31f10
Markdownff96ceb9d29b70bc2e42e6a3ffc066da00047b4b0a322d7bc18a1f0558158dcd
PDF
Publication pageac88f09a4c7ed934cacfc6b5d46020a0d5c7c6d88f81f3ef7b86af239e8ecbd6
Manifest4188b59814cb19d8f40d7ba76cb6cd735bae55206bfa2a494a2c62d08bed02cd

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
Signature2p+zVChbpE06sM3Q7vnck80Zv/HlHdqrMqyxaaqkGiBeGQH+bqvKO+VGYzyyl1LkC4o45/ld16HN/hX75PecAw==
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

2026-09-17T12:09:46.570044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013335
observed ac88f09a4c7ed934cacfc6b5d46020a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:46.550772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013335/manifest.json
observed 4188b59814cb19d8f40d7ba76cb6cd73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:46.530398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013335/publication.md
observed ff96ceb9d29b70bc2e42e6a3ffc066da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:46.510381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013335/publication.txt
observed ac1077619e51355bfb5437c2e2910f0a...
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.