OpenTechnical

OT-2026-000084884

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000084884) never changes.

Identity and time

Publication numberOT-2026-000084884 · never reused
Internal UUID01a0ae99-43b4-7fad-8d36-fdd304bc462e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084884
StatusPUBLIC

Content hashes

Canonical text152ab622593482c8e500f38d2c5240e50db157e94438ae750c1a223149ce22b3
Markdown64dc1edc8f1e2df040ab9d363b865bb5df673946dc8ed19b203375049a1706be
PDF
Publication page3db69b60a8a56c3d3b93c82deb5ac382b7f68021f729934d2ffffdfb7e79ee5f
Manifest646da38c507d2eae8e5fe54f220f8b64d20e92d25df88ccfea8875549a6f2586

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
SignatureIDd78+oLP5uko6BLN2TsaZ6SYwa0S/ET7HOUZZRfaoZkQTxguC1I1b8GN/sN5focxaHy3wrr66ATN5G4ersyAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:51.399332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084884
observed 3db69b60a8a56c3d3b93c82deb5ac382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:51.381952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084884/manifest.json
observed 646da38c507d2eae8e5fe54f220f8b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:51.364488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084884/publication.md
observed 64dc1edc8f1e2df040ab9d363b865bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:51.346242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084884/publication.txt
observed 152ab622593482c8e500f38d2c5240e5...
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.