OpenTechnical

OT-2026-000085919

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000085919) never changes.

Identity and time

Publication numberOT-2026-000085919 · never reused
Internal UUID01a0ae99-e82a-7c06-b5e5-76a22eea2de0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085919
StatusPUBLIC

Content hashes

Canonical text0fdf77acbd6e987c9cf2469c83e23fddc7a104af4f7eee57a198e540bbbadffc
Markdownb12d7fc54e22511c16c0c2595536f8f6d4ac499797b79c25e45e1ec747c1e812
PDF
Publication page98dd14c121b6971dc24953b51ac93e302cd59b1535322ab72f81a67d8b5ab33c
Manifestaca693fa9b853244bce31c8250840bcf6d812fd500a8ee5072eb439265bedcb3

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
SignaturezRk/l8uBZIQ71+Wgi39zNaysHvBnqDtACOeeZwNks23xQ8btuaAyb7eaEfTNOIFTPOmRMV2JMxWEmrXXDLlPBg==
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

2026-09-17T09:52:52.040520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085919
observed 98dd14c121b6971dc24953b51ac93e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.021877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085919/manifest.json
observed aca693fa9b853244bce31c8250840bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.003606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085919/publication.md
observed b12d7fc54e22511c16c0c2595536f8f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.985432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085919/publication.txt
observed 0fdf77acbd6e987c9cf2469c83e23fdd...
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.