OpenTechnical

OT-2026-000082807

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000082807) never changes.

Identity and time

Publication numberOT-2026-000082807 · never reused
Internal UUID01a0ae97-8cc9-7f5c-a0e7-d0edead53d24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082807
StatusPUBLIC

Content hashes

Canonical textb266baf39b73798dc45a22dce90bef9d5e4ac5b1f90f857310c95fc799ff6105
Markdown59cb702988d70bea3780736b677e325904325a248cd7fbe58a8785f0ec5080da
PDF
Publication page75b0fc27c06986bdee4254e6dbbcd8b3cd2a44d4b99f22238bed2a8e544b7b7f
Manifest31d989e9d3f21fb1d7f099ef3deefdbb89b86640120b69d033b979c8cc33df02

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
Signature6imOCb5q718HpYpuWf2sajxPo+NTgbfHvoEptG9P66rIdmJj8fqwj+05ub9nKQEruRmdIJb+4G0049CVQQZYBA==
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

2026-09-17T09:58:24.086274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082807
observed 75b0fc27c06986bdee4254e6dbbcd8b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.069359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082807/manifest.json
observed 31d989e9d3f21fb1d7f099ef3deefdbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.049834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082807/publication.md
observed 59cb702988d70bea3780736b677e3259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.031494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082807/publication.txt
observed b266baf39b73798dc45a22dce90bef9d...
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.