OpenTechnical

OT-2026-000014783

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000014783) never changes.

Identity and time

Publication numberOT-2026-000014783 · never reused
Internal UUID01a0ae6d-d094-7593-a71b-e549caa645a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014783
StatusPUBLIC

Content hashes

Canonical text327b2b65eb6244ad0a09259cb26d2ac1f9a1fae1467480e92b698b0746a7acf3
Markdown889e3b90043ea1113b9062eda41751f4d749e9211b23f6278f0560c154f5bf08
PDF
Publication pageec77633cf56caaea2abbfc9e53bc7ff662f209d36ade3a13ed22d10fc232a306
Manifestd94f8b6e969440503ca8ba2ce7357431ae4944df898d7c7bb28a187bcbffbfc9

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
SignaturelJBz5GEuJedtQTpYA8bBAO7Ip1fVrIFTfSl642pty3D2BE0WJVyqdWk751LrQIrbvHlChrf+EhgWg7Ad6pLqDA==
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

2026-09-17T12:06:40.464975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014783
observed ec77633cf56caaea2abbfc9e53bc7ff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:40.444196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014783/manifest.json
observed d94f8b6e969440503ca8ba2ce7357431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:40.424827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014783/publication.md
observed 889e3b90043ea1113b9062eda41751f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:40.404995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014783/publication.txt
observed 327b2b65eb6244ad0a09259cb26d2ac1...
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.