OpenTechnical

OT-2026-000093175

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000093175) never changes.

Identity and time

Publication numberOT-2026-000093175 · never reused
Internal UUID01a0ae9e-0910-7dfc-aa8c-aa73d378a14b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093175
StatusPUBLIC

Content hashes

Canonical textde7c7c5bbbd482b8b4c7741263ae7b9d5cd276c641a46571c892eaeaf38426c2
Markdown16d3b764e69291b3191580696a639d1e81bea75b5cb332ea5c9a644f751839b5
PDF
Publication page36c827ff960bad06fbc22202c0eaf85257af1b15910cf5b59b6d7626c4767cc3
Manifesteca7030dfb654095a5cd4a32fb1834e495bbc182e2a67e5069c8fbe0be4bd1d1

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
Signature4dGGCrQWV2WS6QNINEybo1llyX+NtwjR79uj4hHlyj1YKAQrU30bkV7QCVIqsh3O81K2rAKcnOST3frgYRgMDw==
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

2026-09-17T09:40:28.694189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093175
observed 36c827ff960bad06fbc22202c0eaf852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:28.675806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093175/manifest.json
observed eca7030dfb654095a5cd4a32fb1834e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:28.655872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093175/publication.md
observed 16d3b764e69291b3191580696a639d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:28.634231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093175/publication.txt
observed de7c7c5bbbd482b8b4c7741263ae7b9d...
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.