OpenTechnical

OT-2026-000023131

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pulsed blow-off before set-down

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-2026-000023131) never changes.

Identity and time

Publication numberOT-2026-000023131 · never reused
Internal UUID01a0ae70-7266-714d-8fea-d21a7f9a0bda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023131
StatusPUBLIC

Content hashes

Canonical textda70316cb96de5efeacd1303ebfc390d3e45d542c4a0559620c2ad7bf941668d
Markdown0bd520e6f8b39498b3509aaabf84060926513b757010ec40bebb0bda241e590c
PDF
Publication page9f563d891f24c24ea1428076ac2131635413b209ecd8fd95e7cef1ab2f19abe3
Manifest4d1bf31f5ebbeda9c04a5d81fe60cddead5159542c482dcce12159d46fbe0ede

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
Signatureg+LB3cKhUr5CrtTHY7iyFfQr7EsHUWy5Lm25Sy6oUe6V4GxE1Ah78ziUr+0lbWFB+0a4UAbzy/lL3Ij6+0/LAQ==
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

2026-09-17T11:51:03.686485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023131
observed 9f563d891f24c24ea1428076ac213163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.670714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023131/manifest.json
observed 4d1bf31f5ebbeda9c04a5d81fe60cdde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.654155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023131/publication.md
observed 0bd520e6f8b39498b3509aaabf840609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.637194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023131/publication.txt
observed da70316cb96de5efeacd1303ebfc390d...
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.