OpenTechnical

OT-2026-000012148

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000012148) never changes.

Identity and time

Publication numberOT-2026-000012148 · never reused
Internal UUID01a0ae6d-39f4-7dc9-81d6-c59e6ee34709 · 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-2026-000012148
StatusPUBLIC

Content hashes

Canonical text54adde1521dd8f61576b9ca6a1113dd98e711bdf557f6f1ace728ae4eb286a15
Markdown5c41d05a6ac56a66ad0e1d094cded331c931ad000a15a9c08dccc649a6090e5b
PDF
Publication paged02e6984c03c196dda4df3bf2e90f499c517438ff2a8a55eda9f32cad03cded0
Manifest1a06f7d7dd9d69cd896571a454228ef1e039f56957097659d8306035fd03a554

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
SignatureQJWGGylF41YFysqtM26mb/ImwQYmZlKdxeNZ4SV2tFdvBKrXuyPfL3b7nMGZFhL3CoYdNJTe3E/oXp0ZuXZHDA==
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

2026-09-17T12:11:02.527815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012148
observed d02e6984c03c196dda4df3bf2e90f499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.504951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012148/manifest.json
observed 1a06f7d7dd9d69cd896571a454228ef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.485294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012148/publication.md
observed 5c41d05a6ac56a66ad0e1d094cded331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.464472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012148/publication.txt
observed 54adde1521dd8f61576b9ca6a1113dd9...
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.