OpenTechnical

OT-2026-000067881

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000067881) never changes.

Identity and time

Publication numberOT-2026-000067881 · never reused
Internal UUID01a0ae8f-c4fc-70ef-9482-0cfb35806e5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067881
StatusPUBLIC

Content hashes

Canonical textb0d766d52b9dc40711b973207f5912b5d77fc5c6b83bf5fffd0a77e8a54e1808
Markdown80e625b5150d3dded5985902826b21ba5a4a4253812dbc9ef78d7432da1dd2d3
PDF
Publication paged7fa00b7068b11cdf940c24a79d9ff1c85a0e494d31ca2dea218deab21ba426b
Manifest9b1515eff2bd0a2de10d392b7070cb44faf37ec9dd91441a2528488424fdb607

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
SignaturegQ17gWlAxjD2gfZV4X00FrG9xhVp2/+FHQKa+jmjBlrNJ1VUhuDcvaeB5sl+IM2VXSHl699e+G4LXJXKAyVVBw==
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

2026-09-17T10:30:16.330954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067881
observed d7fa00b7068b11cdf940c24a79d9ff1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.311577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067881/manifest.json
observed 9b1515eff2bd0a2de10d392b7070cb44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.288460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067881/publication.md
observed 80e625b5150d3dded5985902826b21ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.270502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067881/publication.txt
observed b0d766d52b9dc40711b973207f5912b5...
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.