OpenTechnical

OT-2026-000103825

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000103825) never changes.

Identity and time

Publication numberOT-2026-000103825 · never reused
Internal UUID01a0aea4-e463-7b4b-bd23-8887d5350359 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103825
StatusPUBLIC

Content hashes

Canonical textdb09feb40ff7b75c9a97efd36294b9301d4d1c6428ea909aed44f20d322ada91
Markdowna5b6c5e1237fb1e899cd41100575943df790e7d96234ea76896036464fdb7890
PDF
Publication paged8939ee34cdd18d558602670b1e47022d7426ad41217502bd9777a705668afd1
Manifest4be2e03fb6988eaf190962cdd440d6da86709e6e41f7d437cb6dbad50ea2dfbd

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
SignatureZDquMu/AtVOdd9aj7SDo8Iszj60WuJz7qgMS1UfURTJIxLMfY8LPYBaAOCVFMDvj1bwycVOdxukUv8wfopc8Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:46.981381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103825
observed d8939ee34cdd18d558602670b1e47022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.964711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103825/manifest.json
observed 4be2e03fb6988eaf190962cdd440d6da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.949195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103825/publication.md
observed a5b6c5e1237fb1e899cd41100575943d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.932713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103825/publication.txt
observed db09feb40ff7b75c9a97efd36294b930...
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.