OpenTechnical

OT-2026-000084357

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, 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-2026-000084357) never changes.

Identity and time

Publication numberOT-2026-000084357 · never reused
Internal UUID01a0ae98-5b62-7d2e-88af-54af6822e1f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084357
StatusPUBLIC

Content hashes

Canonical text1b4a174e7ac3cb45b8d857bd61ffe10f09e494daa23c3185c6b1c50bb8ea4ace
Markdownd18fe5ee95f94de360218e6b1574d9241a1c2f7bb6c2729844d6b522ff409f61
PDF
Publication pagee25300156ceb85644de3eae2c091134e5f5ac724eb83d663caa36ca589b9d0fe
Manifestde02fe54eb7045dc50937f34008f23a7d7a947ebd773300077b352f56a8db3f0

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
SignaturehRdM0C6xOKAomLpWsQ7SRgduVIZkIZ+XIHMU7dbxYGWDc5WFapd6D8bZYIaV7fCZ188QWqSfoX/AIMlOv2uHCw==
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

2026-09-17T09:56:17.475721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084357
observed e25300156ceb85644de3eae2c091134e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.458941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084357/manifest.json
observed de02fe54eb7045dc50937f34008f23a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.439445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084357/publication.md
observed d18fe5ee95f94de360218e6b1574d924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.420954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084357/publication.txt
observed 1b4a174e7ac3cb45b8d857bd61ffe10f...
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.