OpenTechnical

OT-2026-000030764

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000030764) never changes.

Identity and time

Publication numberOT-2026-000030764 · never reused
Internal UUID01a0ae74-3fb4-7b32-bab9-97bc26172ebc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030764
StatusPUBLIC

Content hashes

Canonical text5d765b70a28e7fecd01d619b496be735d8fc09e3f03f7d5589dffc9a39999fc3
Markdown2e68b8de4fbdaf54b1f04134a09ff15495e5d0d9f79cb61b057a0c9f4eacbca1
PDF
Publication page9673eff51878fe93c76b47f9d61dc8db40bb674b7eff0464cb38df9869dea7c7
Manifest130efcd55edfc2cb6219ab2ec6d1419efcddbc219e4e135bf2b718eff4b745d8

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
SignatureAUpQOFZPWrNhW2KZkIiPg/NCQcdcKeLpP2DniS/hwQdwSB5bOmyqBV/qSaPtuY5g/nR34g/Ve1tON1iycyRkCw==
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

2026-09-17T20:41:30.135641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030764
observed 9673eff51878fe93c76b47f9d61dc8db...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:29.798306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030764/manifest.json
observed 130efcd55edfc2cb6219ab2ec6d1419e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:29.567802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030764/publication.md
observed 2e68b8de4fbdaf54b1f04134a09ff154...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:29.325755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030764/publication.txt
observed 5d765b70a28e7fecd01d619b496be735...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.009396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030764
observed 9673eff51878fe93c76b47f9d61dc8db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.991474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030764/manifest.json
observed 130efcd55edfc2cb6219ab2ec6d1419e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.974352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030764/publication.md
observed 2e68b8de4fbdaf54b1f04134a09ff154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.958041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030764/publication.txt
observed 5d765b70a28e7fecd01d619b496be735...
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.