OpenTechnical

OT-2026-000104118

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000104118) never changes.

Identity and time

Publication numberOT-2026-000104118 · never reused
Internal UUID01a0aea5-341f-7b33-95cd-e15634e30641 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104118
StatusPUBLIC

Content hashes

Canonical text0a91807f4ee101aa6dffd7216e02ad909d3e29ec3079933e19d511d07b18d309
Markdownce6dc5b788f48a503e5f30cd05eee8c516de7ff7dd776ea77ee0634c9e3b99e5
PDF
Publication page422625d4505651eceffa70b56ea12c5dc182beba78bff2468b19cdb4e25e8c18
Manifestbd04158dbfd1309e566ca151a51c9bff2ea2187896613f20a479712b90bed3e4

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
Signature0ZxKvXPtsUl5klILOZnOnzHpXuuZZ+0JLpj47FCovEwgl4gpru81N8/Upla4jxD1uDh9RcnoCNCt6d2hQzFrBw==
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

2026-09-17T09:20:11.735123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104118
observed 422625d4505651eceffa70b56ea12c5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.717301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104118/manifest.json
observed bd04158dbfd1309e566ca151a51c9bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.699967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104118/publication.md
observed ce6dc5b788f48a503e5f30cd05eee8c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.681295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104118/publication.txt
observed 0a91807f4ee101aa6dffd7216e02ad90...
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.