OpenTechnical

OT-2026-000101338

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000101338) never changes.

Identity and time

Publication numberOT-2026-000101338 · never reused
Internal UUID01a0aea3-c379-7b71-929a-e3a1a205163f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101338
StatusPUBLIC

Content hashes

Canonical textb6325c8f2f9e37c078090ae735bd9de772a80ba62fd6da91547c4424bad85b6a
Markdownb9a4fcb11af084a2d1b078481dc82e14a4c8a62a5674b0583d8fb16258a0326c
PDF
Publication page20526bd5355aa08bc17ee9eb4291c5fcefab9afa45156e1cf88e52aeabf0b6df
Manifest08e7fe5d953ee492617266f8ac596ef4729d72da9ec455735d3f7ca34812ba13

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
Signature8NLkw2RtZ6te6a0P+dyjqdU2iivRIPK1sniwUnbMM3uoBQGIAQbImYtoiGz7ez/yapxBpcdxzIb/0dCUWbBcBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:01.847350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101338
observed 20526bd5355aa08bc17ee9eb4291c5fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:01.830199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101338/manifest.json
observed 08e7fe5d953ee492617266f8ac596ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:01.813310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101338/publication.md
observed b9a4fcb11af084a2d1b078481dc82e14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:01.795738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101338/publication.txt
observed b6325c8f2f9e37c078090ae735bd9de7...
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.