OpenTechnical

OT-2026-000007604

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000007604) never changes.

Identity and time

Publication numberOT-2026-000007604 · never reused
Internal UUID01a0ae62-76bc-7ac7-af07-cda3cfaece6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007604
StatusPUBLIC

Content hashes

Canonical textdedaba3223e8eea3568d11478a43460ec4589e7c6073b9134e489672f3947936
Markdown156748122f83200c174f68a1d2255710bfa9235c8ac46f627470aa7e5ee562d9
PDF
Publication pagebc3ff1ab709f6c380ed890793ded49e6ab65b88b75e1dd6a38d5d4aa241f4075
Manifest287e3fd43e9af34f4853be618343e41dba25ec2f870db474415ac2b6d853ad9c

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
Signature1pVnWDulgW7vnqokTDISJAUPMsyj5DIHvbIFxK6wrnZf/8QhE4TbOnAUeWL/WDWvKbBSFW1mP+PPVs5oLNgoAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:12.925235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007604
observed bc3ff1ab709f6c380ed890793ded49e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.908197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007604/manifest.json
observed 287e3fd43e9af34f4853be618343e41d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.890891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007604/publication.md
observed 156748122f83200c174f68a1d2255710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.873986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007604/publication.txt
observed dedaba3223e8eea3568d11478a43460e...
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.