OpenTechnical

OT-2026-000051002

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000051002) never changes.

Identity and time

Publication numberOT-2026-000051002 · never reused
Internal UUID01a0ae82-c7b4-7037-b511-8458758ce0e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051002
StatusPUBLIC

Content hashes

Canonical text7f94786116952d6c74c831aaf4a4ead8e7e99673f7b0450311973b1e12dc0ee1
Markdown900499e76e72330b553d9592feefb909c4e5902ed5bdbbd8e02509ca75f67227
PDF
Publication pagefd1f33689d1bb864d0559e9cf62171c78ff341ad9108f67723543afba2ccf677
Manifest7c84bee590b3a02583beafbc77affc01b4b9329471468bf864b2e7b39f8d47fc

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
SignaturezDlLiyGb5QkGfIVZWs9bwxT+jz6itLmyWYYXoFlnduarXLd9heRLNdRil0GVV3toJKD7DRRDKjMrn7Yo8BFmDw==
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

2026-09-17T20:43:13.402907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051002
observed fd1f33689d1bb864d0559e9cf62171c7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:13.057297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051002/manifest.json
observed 7c84bee590b3a02583beafbc77affc01...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:12.752334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051002/publication.md
observed 900499e76e72330b553d9592feefb909...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:12.367759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051002/publication.txt
observed 7f94786116952d6c74c831aaf4a4ead8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:00:54.079674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051002
observed fd1f33689d1bb864d0559e9cf62171c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:54.063373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051002/manifest.json
observed 7c84bee590b3a02583beafbc77affc01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:54.046291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051002/publication.md
observed 900499e76e72330b553d9592feefb909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:54.025885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051002/publication.txt
observed 7f94786116952d6c74c831aaf4a4ead8...
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.