OpenTechnical

OT-2026-000068836

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000068836) never changes.

Identity and time

Publication numberOT-2026-000068836 · never reused
Internal UUID01a0ae90-6dcb-7351-91c6-6f427b2154d4 · 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-2026-000068836
StatusPUBLIC

Content hashes

Canonical text0a9ebbb5e164c3b96fa04455f128e43abbbb360d4a2f8ff245cb96c3d910bf4c
Markdown4ed127911d95cd1d8b1f9974f8cc9779194d6727ba8d3a416b63cb8a809443d6
PDF
Publication page326a2f256ed9f15d68e066fcd13f86971b1f9ccb97bd7143b07b3558437e7b45
Manifest9b82eb4c653652c5c55f15b688c733f6e5499c15ef7fc1cdf33884b044065bf5

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
Signature7QPUacWUoswqSi+iaVKpkaTd75Fb2zueoPUyElSGuJt/UJTY5faNUsnBcOzj0J7jVR/cHsuvoEMrWpm8G1utAw==
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

2026-09-17T10:28:38.461408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068836
observed 326a2f256ed9f15d68e066fcd13f8697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:38.444242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068836/manifest.json
observed 9b82eb4c653652c5c55f15b688c733f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:38.425934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068836/publication.md
observed 4ed127911d95cd1d8b1f9974f8cc9779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:38.408738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068836/publication.txt
observed 0a9ebbb5e164c3b96fa04455f128e43a...
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.