OpenTechnical

OT-2026-000029084

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, sustained 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-2026-000029084) never changes.

Identity and time

Publication numberOT-2026-000029084 · never reused
Internal UUID01a0ae73-2a9f-7440-ae5e-4ba234cfd6a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029084
StatusPUBLIC

Content hashes

Canonical text8a55edfa80a8e96a241fcbd459960f24b786584950c10d01473c77b48ba9143b
Markdown197b89b2a15f911dc9718db477ae6ef2904e6f46515e35c1e8091332c4a1bd02
PDF
Publication page889f6d2ab6f6685d0b8fb2be9247fac9a5980110eb50501fbc83d6fdc6fc8067
Manifestdf429508810f8deb9aca904d100f283cf14087ab694137eb7d3f8ee1c10d138c

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
SignaturekYdFS1yEBDO+VrcVU5cWlOAnT+2lCqq43vAekiOGzHussILcJQGy00UuQTt2sGI7T169RPt6mRu1pyllQ4sJCQ==
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

2026-09-17T08:20:48.002313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029084
observed 889f6d2ab6f6685d0b8fb2be9247fac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:47.984939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029084/manifest.json
observed df429508810f8deb9aca904d100f283c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:47.966944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029084/publication.md
observed 197b89b2a15f911dc9718db477ae6ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:47.950124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029084/publication.txt
observed 8a55edfa80a8e96a241fcbd459960f24...
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.