OpenTechnical

OT-2026-000032601

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000032601) never changes.

Identity and time

Publication numberOT-2026-000032601 · never reused
Internal UUID01a0ae75-1070-73d9-ad9b-1eee49538d79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032601
StatusPUBLIC

Content hashes

Canonical text796b820de2f932c2fb486df1f4c69955496564ef9457e134b9876441ba62ac76
Markdownc085587aeb8bf07cf0ae94e3432e9d577d22eceb62df675a0916ce808db48492
PDF
Publication page0b82ccf59c1fc3fee1ea92f772dc3081ca6ec152a498bd23fdf3f89ff509977b
Manifest78f2a6b59602b3af78512b93e8e7b4e5d9dffd6194684c607f2850de4917eb4a

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
SignatureMWK/RYbWuRl8pbL4q4lczz8j5j9jLBtIpwvdPp92ptfb1kH6x6e+1btAxgIfRP0Yvq3ilMONLsBGEHlyX2FKAw==
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

2026-09-17T11:34:10.927378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032601
observed 0b82ccf59c1fc3fee1ea92f772dc3081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.908941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032601/manifest.json
observed 78f2a6b59602b3af78512b93e8e7b4e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.892385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032601/publication.md
observed c085587aeb8bf07cf0ae94e3432e9d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.875798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032601/publication.txt
observed 796b820de2f932c2fb486df1f4c69955...
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.