OpenTechnical

OT-2026-000069167

Publication integrity record

Four cup vacuum gripper, four 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-2026-000069167) never changes.

Identity and time

Publication numberOT-2026-000069167 · never reused
Internal UUID01a0ae90-6dcf-7b7e-af45-af70698b53b4 · 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-2026-000069167
StatusPUBLIC

Content hashes

Canonical text023bafd9fa910a68e8107ad829fcb55e928704f33bfd80d7c11d310f9e5ede56
Markdown91d61261a289bed2c5705a788f42ab28f8d970ed8ac863e84bdae1ab8b8dec9a
PDF
Publication pagee1614778b6071df996dfc529ff1db345a1aae852b683b3064b1a39bd5c8f94e3
Manifest955f392f3e34e35afe1ad1b549c74b28560728aea6fdec4c85b33b14592d10de

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
SignatureGNCHrTi6o7v1Tic2X0u4W2rnC6ZVsYSXpt2BPBI2SctH1LhO9ImYjj3GTF7FX6tVFU4wcfTo8hxM3I/rFCb+AA==
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

2026-09-17T10:29:03.335782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069167
observed e1614778b6071df996dfc529ff1db345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.319174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069167/manifest.json
observed 955f392f3e34e35afe1ad1b549c74b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.303087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069167/publication.md
observed 91d61261a289bed2c5705a788f42ab28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.285845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069167/publication.txt
observed 023bafd9fa910a68e8107ad829fcb55e...
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.