OpenTechnical

OT-2026-000048117

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000048117) never changes.

Identity and time

Publication numberOT-2026-000048117 · never reused
Internal UUID01a0ae7f-c424-74f6-a3e9-9e3785048b9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048117
StatusPUBLIC

Content hashes

Canonical textab003a52434072714233016bea635a47bfdbe7c4c99236a94b2728ec13428295
Markdown2b8ccc6db8ea3c247de9c7d4ffe6c93ad3582a40dfbeb8784c41981da970bf06
PDF
Publication page04aa69892ad24b1e721c82023be5e38bfa609018cbf932dec67299cb176d3a13
Manifestd269cd43245abe2efe519b2aac0f55ba91512b7891ea80e7e73417fc828b65da

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
Signature6gbeMjgqheL+6SXkJvXihPq6F4rusMECqvAS2Sl2MDPi52JmWeszYrLGHoe8bOqumR1fTZT7xpEvQ4Yk6lksAg==
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

2026-10-30T20:41:25.908380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048117
observed 04aa69892ad24b1e721c82023be5e38b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-30T20:41:25.835511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048117/manifest.json
observed d269cd43245abe2efe519b2aac0f55ba...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-30T20:41:25.782570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048117/publication.md
observed 2b8ccc6db8ea3c247de9c7d4ffe6c93a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-30T20:41:25.729971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048117/publication.txt
observed ab003a52434072714233016bea635a47...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T12:41:49.715277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048117
observed 04aa69892ad24b1e721c82023be5e38b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T12:41:49.664781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048117/manifest.json
observed d269cd43245abe2efe519b2aac0f55ba...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T12:41:49.613743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048117/publication.md
observed 2b8ccc6db8ea3c247de9c7d4ffe6c93a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T12:41:49.501878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048117/publication.txt
observed ab003a52434072714233016bea635a47...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent