OpenTechnical

OT-2026-000051707

Publication integrity record

Three cup vacuum gripper, three zone face, six 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-2026-000051707) never changes.

Identity and time

Publication numberOT-2026-000051707 · never reused
Internal UUID01a0ae83-7c83-7d22-8412-be1c7b1376b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051707
StatusPUBLIC

Content hashes

Canonical text8a63c07ca5278314de00476f4c11fc59d153818ddce6749141fc9f05168e9704
Markdown6d2003332979c359d968a99889e2dba92a11bc25ee90d84e5e0712fa435dd3fe
PDF
Publication page2065ce7ae607821035d28e3f7d0f842d1e43d00448fe31af6c785d99a66e3e80
Manifest3eb49636f947c044c57eebe46e1167c07ba956ba4a5b7ab69be1450231c0a694

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
SignatureigwgpsB0UezA2qrT2RAm250L9Bi5W8AOR0KXY031yhmjZnoU5lmQmpjhy34lVUrlgWDRytymSGXnadAalDhRBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:35.345568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051707
observed 2065ce7ae607821035d28e3f7d0f842d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:35.327104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051707/manifest.json
observed 3eb49636f947c044c57eebe46e1167c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:35.309321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051707/publication.md
observed 6d2003332979c359d968a99889e2dba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:35.289390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051707/publication.txt
observed 8a63c07ca5278314de00476f4c11fc59...
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.