OpenTechnical

OT-2026-000030278

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000030278) never changes.

Identity and time

Publication numberOT-2026-000030278 · never reused
Internal UUID01a0ae73-e500-765d-a753-8a5b18470cad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030278
StatusPUBLIC

Content hashes

Canonical textf3da53970c2031fee071cdfc4689d3b8764135b895d332d8312a45d61a1a7d6d
Markdownddc9f6796e557474ce062d40d2e2a5cd98407946ba0ea86ab8b27fe0efe76690
PDF
Publication page1b79e29e886694438e2621f66bac0385d4f53a03f6a8cc9aa7543a118bf36214
Manifestffb4f50206ab027fd8be720f18ff0af02f31a28cba98352771f6281b0dcfaf46

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
SignaturebahaILk0CLTC3hBxggLhVwatzgEqblJ7lpTuSuI3a8tm6rV/3gtJA0O5AEp8vXkxGk/jKyZEUkdYGgsH1pehDw==
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

2026-09-17T11:40:46.798513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030278
observed 1b79e29e886694438e2621f66bac0385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.782242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030278/manifest.json
observed ffb4f50206ab027fd8be720f18ff0af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.766835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030278/publication.md
observed ddc9f6796e557474ce062d40d2e2a5cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.750841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030278/publication.txt
observed f3da53970c2031fee071cdfc4689d3b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.697634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030278
observed 1b79e29e886694438e2621f66bac0385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.680436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030278/manifest.json
observed ffb4f50206ab027fd8be720f18ff0af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.664450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030278/publication.md
observed ddc9f6796e557474ce062d40d2e2a5cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.646327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030278/publication.txt
observed f3da53970c2031fee071cdfc4689d3b8...
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.