OpenTechnical

OT-2026-000031037

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, pulsed 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-2026-000031037) never changes.

Identity and time

Publication numberOT-2026-000031037 · never reused
Internal UUID01a0ae74-3fb7-7994-a6e7-13611582da81 · 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-2026-000031037
StatusPUBLIC

Content hashes

Canonical textf0e254d67d058b124e3204ed151ffeca5e52c020c4ccc6ee77a4c965cf6bf554
Markdown47b144a00394a05aa662a7ac2c08064958f80fb5c01c9a4c2e59f28ade57b7f0
PDF
Publication pageb305da6f964def1aef4e04dc011d5f0087257b83f589930a9a6231e898b1a1b2
Manifest877cceca16385bae8f6ab7b1475daf4c567df939d5f3d5cca91245eaeb3fb033

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
SignaturekpvNAnfFHHrwajvagYov2Xx6pt8kYT6WOhM/8xfn4fwmdW5fofTFEO5o8KxMu8ksZI73NxaYwtrWkqLSW95DAw==
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

2026-09-17T11:40:08.176743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031037
observed b305da6f964def1aef4e04dc011d5f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.159543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031037/manifest.json
observed 877cceca16385bae8f6ab7b1475daf4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.134571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031037/publication.md
observed 47b144a00394a05aa662a7ac2c080649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.111121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031037/publication.txt
observed f0e254d67d058b124e3204ed151ffeca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.051120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031037
observed b305da6f964def1aef4e04dc011d5f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.031855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031037/manifest.json
observed 877cceca16385bae8f6ab7b1475daf4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.013172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031037/publication.md
observed 47b144a00394a05aa662a7ac2c080649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.994878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031037/publication.txt
observed f0e254d67d058b124e3204ed151ffeca...
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.