OpenTechnical

OT-2026-000011628

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pulsed blow-off before 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-2026-000011628) never changes.

Identity and time

Publication numberOT-2026-000011628 · never reused
Internal UUID01a0ae6d-193f-7e17-bbaf-50ee2a0f4061 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011628
StatusPUBLIC

Content hashes

Canonical text3deb660ac40f16783e9eafed703ec14d88c6e546e63c342136a9a165a80f731d
Markdownaeb1c6aa7201bb90e45c767c7bcb2aaba1bee4acb6e12dae4135e9a69b4db578
PDF
Publication page28680574a262f30489f7b9e3a85c1b70d2e3d243d441a31b15b235c25aae2ff1
Manifest9e61d702ccd794ee59271bfeba1515ca54aa520b2cabb491d89f7d295a5198d1

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
SignatureDrtLeh8G7dOvPo3M8Vza/qUnImX5/1mwoDPfACoRhRUr5NJCdDrshLLQaORI4KKGS7Mm7IPh9l5bFExNnmunAg==
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

2026-09-17T12:12:12.725889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011628
observed 28680574a262f30489f7b9e3a85c1b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:12.707782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011628/manifest.json
observed 9e61d702ccd794ee59271bfeba1515ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:12.687704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011628/publication.md
observed aeb1c6aa7201bb90e45c767c7bcb2aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:12.669146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011628/publication.txt
observed 3deb660ac40f16783e9eafed703ec14d...
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.