OpenTechnical

OT-2026-000080749

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000080749) never changes.

Identity and time

Publication numberOT-2026-000080749 · never reused
Internal UUID01a0ae96-b973-7dbb-9e77-cb7305fae589 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080749
StatusPUBLIC

Content hashes

Canonical text5c3bb1a0323b68d85f5632604b6d6afe1f07ad7c51c757a7c573b92c0df6d4ec
Markdownbf97cf8c7c2fc96333db99712f029e8a465c4e1cacf4d55cd7974bbb96527827
PDF
Publication pagee826bbb2998345a18819e32acd7dc4796315e3af76d88e96678defe3fd17ffba
Manifest2fe14c257463b0dd7353947a4b51030c0e167b4fef51358c49cecd39567419d3

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
Signature+aVjxouhlcMs0ai/g+qU/iqd3BBGZzc90iCuR9K55MSdAt0Do4x5Lpxe4GoSpLQsgrJjis7ZP5TEpYqCbmgUBg==
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

2026-09-17T10:01:54.568040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080749
observed e826bbb2998345a18819e32acd7dc479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:54.551080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080749/manifest.json
observed 2fe14c257463b0dd7353947a4b51030c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:54.534391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080749/publication.md
observed bf97cf8c7c2fc96333db99712f029e8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:54.516273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080749/publication.txt
observed 5c3bb1a0323b68d85f5632604b6d6afe...
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.