OpenTechnical

OT-2026-000103018

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000103018) never changes.

Identity and time

Publication numberOT-2026-000103018 · never reused
Internal UUID01a0aea4-be3d-78c8-9c0d-d24ef6af91ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103018
StatusPUBLIC

Content hashes

Canonical textbcea71db3ce3948d4f85e27e55259071c2d8ba9f63b94646212f8a8f14b17fd3
Markdown84b34b0cb2097bf3c554e0d55605bf18801e610cb9dbcbdef3d61c8fb5361633
PDF
Publication pageaf59969440de532a58d41c0ad7b6fddfd192e7a8a7bb5437f2bc7aa890ae1f7f
Manifest6596b0aea13c3a7536657eef694ba21f042e581f4a4eababa3bb1d4a6e9ad937

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
SignaturefDv/sJf/z7Y0Oj3OoQwyZCUaeyEfy8LkutTSmG2rvRY1CoFcfWFSmELFgsCOXRhi4rGNzDlUySTLOq8iJt+JAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:08.171034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103018
observed af59969440de532a58d41c0ad7b6fddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.154504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103018/manifest.json
observed 6596b0aea13c3a7536657eef694ba21f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.134524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103018/publication.md
observed 84b34b0cb2097bf3c554e0d55605bf18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.116608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103018/publication.txt
observed bcea71db3ce3948d4f85e27e55259071...
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.