OpenTechnical

OT-2026-000080327

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000080327) never changes.

Identity and time

Publication numberOT-2026-000080327 · never reused
Internal UUID01a0ae96-7e77-7146-b6a1-7add13b14abf · 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-2026-000080327
StatusPUBLIC

Content hashes

Canonical text1186453bad9eb1a63cdcde91333e16e1cdfef4e6c95a0f5ae4214a9dd65dd4aa
Markdown11e48ee93c3fab795495415141ce6803bbeeb9c55df314fbbd02722b2e051dd1
PDF
Publication page354da6e612a290db50d0236a44f7c551c783ac370472e5e4e8dfe2446d94c3a9
Manifest3083ffcfee3fb7539c38dab69704477a4678bc260c27524d33af634b165f36cd

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
SignaturecRcbhZ+yHie9pCbclhl2naDwYtCG90vkFL6Y/T62X99s1/DmJOvM2ZJBxrJ9qdY4akmxjUxMNnRwHDr7DLzADw==
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

2026-09-17T10:02:48.170057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080327
observed 354da6e612a290db50d0236a44f7c551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:48.151029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080327/manifest.json
observed 3083ffcfee3fb7539c38dab69704477a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:48.129874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080327/publication.md
observed 11e48ee93c3fab795495415141ce6803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:48.111181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080327/publication.txt
observed 1186453bad9eb1a63cdcde91333e16e1...
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.