OpenTechnical

OT-2026-000027795

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000027795) never changes.

Identity and time

Publication numberOT-2026-000027795 · never reused
Internal UUID01a0ae72-a4a4-7462-975e-b7e99a7457fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027795
StatusPUBLIC

Content hashes

Canonical text139442a608f26921e380f92e1fe9640019fffeba06b926cca39886474021bad4
Markdown0f3eea31df26618bfaa66a73c5dbe6f0c88d65dadc5c47373dcc54a0947662b3
PDF
Publication page80302d18aa8bf71a36369eded58c5fbf13d126df6bb01021c84977a2cdc6630f
Manifestf707418835e965ab05639c19d3a7999c48506bfb3e9110d40214a8fff6f4cfb4

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
SignaturePzUZOE1GTt5kb6TuWbaqMwKPCvApiUAAhCbKltARbBb0hE3Y//4ibqRNQCdoqRGA+YsG4dclJA6V+Lsr3xlTAg==
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

2026-09-17T11:41:50.373486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027795
observed 80302d18aa8bf71a36369eded58c5fbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.354747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027795/manifest.json
observed f707418835e965ab05639c19d3a7999c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.336040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027795/publication.md
observed 0f3eea31df26618bfaa66a73c5dbe6f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.316634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027795/publication.txt
observed 139442a608f26921e380f92e1fe96400...
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.