OpenTechnical

OT-2026-000012134

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000012134) never changes.

Identity and time

Publication numberOT-2026-000012134 · never reused
Internal UUID01a0ae6d-39f4-7be6-a8c4-bd4c7796ca25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012134
StatusPUBLIC

Content hashes

Canonical textc9e1f96b3d42fba976556f0d936ae9c5bead640cb90b5d9808afb3065446ec17
Markdown89721716c5eb52183ec37744727620a070a48272bd150338ffacc4f1cf9f1926
PDF
Publication page5eda658455e4f000908d95e1bd1c3a3762627198e9fd15c1a6ab99e77c8d5711
Manifest7f9c3102ce272c0ab46b3bdabb833ccd92ef9e09b32040558864a16b8353e597

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
SignatureH/e9Gc0lSRkOj2o8GMPOsDqPX0971vvKqAQvZ7Wza/YV0haWSIaKXnB31Pv6HOUe/8FZjVSLK5MmP7fPGunFCQ==
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

2026-09-17T12:11:01.317038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012134
observed 5eda658455e4f000908d95e1bd1c3a37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:01.293811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012134/manifest.json
observed 7f9c3102ce272c0ab46b3bdabb833ccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:01.273625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012134/publication.md
observed 89721716c5eb52183ec37744727620a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:01.248330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012134/publication.txt
observed c9e1f96b3d42fba976556f0d936ae9c5...
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.