OpenTechnical

OT-2026-000087695

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000087695) never changes.

Identity and time

Publication numberOT-2026-000087695 · never reused
Internal UUID01a0ae9a-cd54-7c5a-9092-80ecc6ba97e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087695
StatusPUBLIC

Content hashes

Canonical text4d64e4bb6e4beb8fc49d3b1f2d167d722c93b135db2e93333b59f3435e1fb2fd
Markdownb80abff03de80b38962ca53da2bae6acd9be3663f976a823b5dfc42d55e69812
PDF
Publication paged156397b4a7fe927d0da5dd99caacc458129a742c0c3d932c0d41846104f10ae
Manifest2f1d5684c5a241a476f6a1d372f26fd8d67fa4feef1848eac0c053ba21f490fb

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
Signature2jt5tpFyphlOfbSlEksGrcSibHJAN3jRBeOJe833tcjUWfrJJCH1q08LYA4nTQUWPcvND7UNglpR37miIW7vDQ==
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

2026-09-17T09:51:08.681202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087695
observed d156397b4a7fe927d0da5dd99caacc45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.664059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087695/manifest.json
observed 2f1d5684c5a241a476f6a1d372f26fd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.646553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087695/publication.md
observed b80abff03de80b38962ca53da2bae6ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.628699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087695/publication.txt
observed 4d64e4bb6e4beb8fc49d3b1f2d167d72...
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.