OpenTechnical

OT-2026-000006146

Publication integrity record

Porous face vacuum gripper, four outlet manifold, pump fed, pulsed blow off before set down

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-2026-000006146) never changes.

Identity and time

Publication numberOT-2026-000006146 · never reused
Internal UUID01a0a950-e631-72ac-9905-c9ddcbb5bc3f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:24:06.452335Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006146
StatusPUBLIC

Content hashes

Canonical textb84010f1de89f0f0b372cee4d88e8cb9520ac12b134c4e64cbcb50eaf28de0ee
Markdown87d0a52e61585abe823522b253d08373fa54c9f5783a6e4c8e5ebc5a1499cd19
PDF
Publication page2188afbe592b4f2cfe146c76d599316df93d069f37fba999edbf1aaafd551b6a
Manifest50a9576ca9c6471e2af324c45adf58424fb10fc993f4a3c153b80d1914814ed0

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
SignaturejccaWM3WQ82VrH8pohdnsIoNi0YUxick6Ol7qf/WQmoB6TIj/1NCawEzcIBRSB11LaS54nyVf/CMdbXxibj1BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:22.407923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006146
observed 2188afbe592b4f2cfe146c76d599316d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:22.394463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006146/manifest.json
observed 50a9576ca9c6471e2af324c45adf5842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:22.381742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006146/publication.md
observed 87d0a52e61585abe823522b253d08373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:22.245128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006146/publication.txt
observed b84010f1de89f0f0b372cee4d88e8cb9...
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.