OpenTechnical

OT-2026-000012334

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000012334) never changes.

Identity and time

Publication numberOT-2026-000012334 · never reused
Internal UUID01a0ae6d-39f6-7813-9bea-bff2151b1af7 · 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-2026-000012334
StatusPUBLIC

Content hashes

Canonical text3b62b38e45222d4281868262f1b3578f7d1042aa60537f9fabfa84429cec078c
Markdown86d9f95e5f7f0265952c6184f6f99ea112f05403fbd2587d2ef6bbbe312677c2
PDF
Publication page73ebf5518f7a1ad82435117ea96d9e786d4713e27a0d484feb00d00549b43959
Manifest624f23f5a5f832bc35a4fd2125867f93a0d771036976777c74c48a3b4d6dfda1

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
SignaturesCirREsJiKbq6sM20NQd/N2/n/ido6a/54344mfuc6jiY5lNQTZo9T+JP/xACPAGuBzDdBdYmJmF8RAsHKMxDg==
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

2026-09-17T12:11:17.206215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012334
observed 73ebf5518f7a1ad82435117ea96d9e78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:17.189882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012334/manifest.json
observed 624f23f5a5f832bc35a4fd2125867f93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:17.172082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012334/publication.md
observed 86d9f95e5f7f0265952c6184f6f99ea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:17.154329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012334/publication.txt
observed 3b62b38e45222d4281868262f1b3578f...
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.