OpenTechnical

OT-2026-000050179

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000050179) never changes.

Identity and time

Publication numberOT-2026-000050179 · never reused
Internal UUID01a0ae82-5c45-7ad6-a663-a75ba179ce24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050179
StatusPUBLIC

Content hashes

Canonical text355fae27300ffd8a96285faf0779a33484a10ba08bfc746034204417707df6a3
Markdownbf9fecbbbaec4b2e6b85810ef0691430dfd7e143c2357855aa351341311ba329
PDF
Publication pagec053d4f22e8c1a7936d03084c22bf1b268b766e1fa73f2de5c3f6e6c2bb2dc77
Manifest728044768527749ef624fa1db85d9d3e23da25eb475b097399015e503dc7e097

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
SignatureVyG3avCBoRe4EDWFKYGCemlq/AR0OVkRXfjHOMyi9VKek5tWf4PCYmE2Tsdv6qjpgkFS6Bl+7OZhFQOM+VQnDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:09.657678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050179
observed c053d4f22e8c1a7936d03084c22bf1b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.640235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050179/manifest.json
observed 728044768527749ef624fa1db85d9d3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.622451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050179/publication.md
observed bf9fecbbbaec4b2e6b85810ef0691430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.603839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050179/publication.txt
observed 355fae27300ffd8a96285faf0779a334...
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.