OpenTechnical

OT-2026-000044300

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000044300) never changes.

Identity and time

Publication numberOT-2026-000044300 · never reused
Internal UUID01a0ae7c-39d6-7fd1-b852-b0f264785f43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044300
StatusPUBLIC

Content hashes

Canonical text8b5a27e636a627f23ab5fbdcdc18685cc4edfd77e7bac74b382e70e1b8ae3ee9
Markdown246026d8496228c10408d594316f0d35b3b989ef61605e337c2381c5302b0a75
PDF
Publication page4221c0f26deaa03e020518daee3e550d7c490f9afbf8d66a6d3659a1b18b6e64
Manifest18d83c0bb6ff9bc14ea3f55975c3332d532a226030957be495abc44d17d9147c

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
SignaturenB5Td6FAp7wISMvRF6LwspT6T0gqOe81jsLd0ErQ12qP/42chYRsf/yAcPIPJ0vANVSFWi9I717WCuzBIeIRBg==
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

2026-09-17T08:30:15.999405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044300
observed 4221c0f26deaa03e020518daee3e550d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:15.976114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044300/manifest.json
observed 18d83c0bb6ff9bc14ea3f55975c3332d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:15.834212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044300/publication.md
observed 246026d8496228c10408d594316f0d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:15.809732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044300/publication.txt
observed 8b5a27e636a627f23ab5fbdcdc18685c...
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.