OpenTechnical

OT-2026-000011530

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, vented after set-down

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-2026-000011530) never changes.

Identity and time

Publication numberOT-2026-000011530 · never reused
Internal UUID01a0ae6c-88ff-7560-9950-c9408930a82f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011530
StatusPUBLIC

Content hashes

Canonical textdc4abd85ca484db85309848a12831b84f5f88cfd0302f7e2235221ca07af7584
Markdown924afe994fbbab40c4a1c4b490b062ca85ba00a4ef69039eb3e6c5c3d84cabd0
PDF
Publication page6fb4b56fb72da134e21a66db9389dc0539050cab419cdf589c804ca84e09ff7b
Manifestbf448e06ab828a3d9212de897a90a4f1089113ee1a4349e2744ed92494411462

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
Signaturey6Vf9tyheVWgWw5mFjQ3HaAdC0sMdXuKK3l3d592pljVDqh3AZ7BJYgXI38B0kfaJUb95l2QJxG4gYjI7AxGCw==
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

2026-09-17T12:13:19.177727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011530
observed 6fb4b56fb72da134e21a66db9389dc05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.160228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011530/manifest.json
observed bf448e06ab828a3d9212de897a90a4f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.143132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011530/publication.md
observed 924afe994fbbab40c4a1c4b490b062ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.126810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011530/publication.txt
observed dc4abd85ca484db85309848a12831b84...
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.