OpenTechnical

OT-2026-000091115

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000091115) never changes.

Identity and time

Publication numberOT-2026-000091115 · never reused
Internal UUID01a0ae9c-f16b-7e07-99fe-ba2db9b71388 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091115
StatusPUBLIC

Content hashes

Canonical textce7acf939aef3f3d93e02a0c14e54ef14499f6086630def69c38e8b9aee3a525
Markdown697263e8a54a6f9e2a571d091381ca08882f88f570d8fd8407a66f71fbf24545
PDF
Publication page91724f609b35845a4042821650712cf1ffc36ae669eeec62970e6c3ef5182326
Manifestde276e709bd8f98957d385fd977743446f994b3b16526d8929b6a662c1c70322

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
SignatureL/cCZsuFwqzrqw29lxVxiYFlZdsHOPks1IK4hufT5IblNtUIcUsBG/qXq5HA8yhXGnPDhjqZZvOV7LJ9Xq6uCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:16.073600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091115
observed 91724f609b35845a4042821650712cf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.057940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091115/manifest.json
observed de276e709bd8f98957d385fd97774344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.039496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091115/publication.md
observed 697263e8a54a6f9e2a571d091381ca08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.021774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091115/publication.txt
observed ce7acf939aef3f3d93e02a0c14e54ef1...
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.