OpenTechnical

OT-2026-000014518

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000014518) never changes.

Identity and time

Publication numberOT-2026-000014518 · never reused
Internal UUID01a0ae6d-b27b-7bfb-a594-bec3aafd6da8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014518
StatusPUBLIC

Content hashes

Canonical textfce864975cc7ba8adb4281d81b34fffe88542ff9aa9e86c6f2c6e6a3d6adff6a
Markdownff039ac9946f684bcdf8daee55200e5c10c48ab8cb27dcadd8170db1a182ae49
PDF
Publication pagebb8adf64d922ee925f408b610104b3498313cf50bb03594ec3bc594d6ef7d727
Manifestc97c7431fe269532a05895c26be5c839dd6da5499bad9a9ef5a840d117d49303

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
SignatureV7ju+vNjPq8/TUhisd6Hcw4YEuujztWd/LDikOqegPflYcsBsgEuuZGA+8YPxIyYRTEjqvC3WlKO3QJf2HlCAA==
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

2026-09-17T12:10:21.203299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014518
observed bb8adf64d922ee925f408b610104b349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:21.183756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014518/manifest.json
observed c97c7431fe269532a05895c26be5c839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:21.159430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014518/publication.md
observed ff039ac9946f684bcdf8daee55200e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:21.129724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014518/publication.txt
observed fce864975cc7ba8adb4281d81b34fffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:24.648204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014518
observed bb8adf64d922ee925f408b610104b349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:24.631511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014518/manifest.json
observed c97c7431fe269532a05895c26be5c839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:24.612461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014518/publication.md
observed ff039ac9946f684bcdf8daee55200e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:24.582604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014518/publication.txt
observed fce864975cc7ba8adb4281d81b34fffe...
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.