OpenTechnical

OT-2026-000047289

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000047289) never changes.

Identity and time

Publication numberOT-2026-000047289 · never reused
Internal UUID01a0ae7f-3e56-751e-8867-9e7487f71297 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047289
StatusPUBLIC

Content hashes

Canonical text731bdee3146c755c2d49550a5da6c1fbfec565a6c9ff81ebb6bbf6a6e2d723e5
Markdowned6de4473f8c037559f24503ee8940360f079375ca0cc49cf480d0578260ba19
PDF
Publication page64ff3034e73655254fb79c3b03304f5991a0796165365d723f8c8eda24d11463
Manifest02c835a94f05c4557f822596be73f79ccfc9ffd00acdc0a21c6213d342b67a1d

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
SignatureM9XLFvaRnLAlT4IJQF94XJ95Bn6cvkFkwaC8lyZzndQeo2sYEDtY2cqZy2jS/3Te/qdTdQQX7rQMbHuBUlKgAQ==
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

2026-09-17T11:06:15.797873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047289
observed 64ff3034e73655254fb79c3b03304f59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:15.778035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047289/manifest.json
observed 02c835a94f05c4557f822596be73f79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:15.759635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047289/publication.md
observed ed6de4473f8c037559f24503ee894036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:15.741156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047289/publication.txt
observed 731bdee3146c755c2d49550a5da6c1fb...
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.