OpenTechnical

OT-2026-000080463

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000080463) never changes.

Identity and time

Publication numberOT-2026-000080463 · never reused
Internal UUID01a0ae96-7e78-7dfc-9657-2424468aad05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080463
StatusPUBLIC

Content hashes

Canonical text21064d61ec091ac6b6a12692263844cbd4a8e6548035334811382de4741582b4
Markdownef38b1d850cb6ddfd5024a7d0190bfd2a133ed4758e2190cf57bfe7275d3d832
PDF
Publication page3b494a3ddddaa806355c9206c88efc48f585410846d78eba613584fda0536941
Manifesta692476f6381bdfc984459fb6fea807589838ad12c6181bb0896379168d1c3bb

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
SignatureOlNrznIz1o7K9vQNWvqnZprmrZN3KZ7xoEocueN8wYEouhPLVLkIiqv3M5nSNWYzawKDJBQnmSyY6y3RrXyiDA==
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

2026-09-17T10:02:34.228115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080463
observed 3b494a3ddddaa806355c9206c88efc48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:34.209031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080463/manifest.json
observed a692476f6381bdfc984459fb6fea8075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:34.190727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080463/publication.md
observed ef38b1d850cb6ddfd5024a7d0190bfd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:34.152537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080463/publication.txt
observed 21064d61ec091ac6b6a12692263844cb...
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.