OpenTechnical

OT-2026-000068954

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000068954) never changes.

Identity and time

Publication numberOT-2026-000068954 · never reused
Internal UUID01a0ae90-6dcd-7c61-91fb-c9e160c66dae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068954
StatusPUBLIC

Content hashes

Canonical text6816732de5f2375c52f5324123664a2f8ff09da4aafbaeaf871d34b06956da61
Markdown9a03fac11f3ab92d7f438f62e35895c9215f39bde079421ae761d0b0c3470981
PDF
Publication page03af58836f3e9bb972fcc1af38f6c599e7da2ce24c2ec1aecf4242a226bae672
Manifest07a18bb91a0b372d9bf732788ed0feff5e34edf24a541bd852ff57179aa03ac8

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
Signaturer7Ben7VrQhI+M2BWc7uWE7qSwGY4HkDYkAw0XidWKWgqA+lo3pmq0vYgGBzk9wKEu0yjKlqlqYvMmN+XYrUbAg==
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

2026-09-17T10:28:47.419623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068954
observed 03af58836f3e9bb972fcc1af38f6c599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.401116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068954/manifest.json
observed 07a18bb91a0b372d9bf732788ed0feff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.384066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068954/publication.md
observed 9a03fac11f3ab92d7f438f62e35895c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.367372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068954/publication.txt
observed 6816732de5f2375c52f5324123664a2f...
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.