OpenTechnical

OT-2026-000039123

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000039123) never changes.

Identity and time

Publication numberOT-2026-000039123 · never reused
Internal UUID01a0ae78-9673-73d1-873d-b6738a2a4a1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039123
StatusPUBLIC

Content hashes

Canonical textb7bd4ef1882b68ec7f6d60a9bfa51ac03768fec49ca671cf9ecd388683d21b71
Markdown21a674ef59711d891917322faa6ddbd65ff58ec32183f84ebb02216b5c64a5fb
PDF
Publication pagea2d74bc5d30a29fe5c03191f2608a7fd7c3916a49ced0d3bc624edd003665d62
Manifest4a870e483890ab2e6f9b9d75b3902485254da54b77e5ec19b65daabb086021b8

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
SignatureozL4jcNB/L4B8UHUkZsLz9t4Ld1Ibe2gvnyHWx548ww7MZ/bwLu8+4TRgyKwmbNiAmJi2GhAm2SqqjrGN/rBDw==
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

2026-09-17T11:20:37.048846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039123
observed a2d74bc5d30a29fe5c03191f2608a7fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:37.029636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039123/manifest.json
observed 4a870e483890ab2e6f9b9d75b3902485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:37.009384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039123/publication.md
observed 21a674ef59711d891917322faa6ddbd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:36.991599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039123/publication.txt
observed b7bd4ef1882b68ec7f6d60a9bfa51ac0...
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.