OpenTechnical

OT-2026-000081412

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000081412) never changes.

Identity and time

Publication numberOT-2026-000081412 · never reused
Internal UUID01a0ae96-f375-75a4-bdd3-7817925d038b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081412
StatusPUBLIC

Content hashes

Canonical text5a0b0a44dd817e6498b3145112c93231073106a47d7e52d1528f4bfc69599e96
Markdown17927445f84a726a05a5989fe150c42ce6ef4bb9352ad4135b35fb562bb18e4d
PDF
Publication pageaaa68706868aef8b26de66ba5300ec0300606fe815006f3b8aea1dfca41ccd25
Manifest09c3f8591addcecfa473a44eb36dec9c36d9f3bdfa7bbaf602aae169a484743b

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
SignaturevyqAIDwZUa3VyCtkLa2gQcRHqXy5mywhB1aSPluJpJTysJM78ujyfZk0dC7wVDUdjtAFytzkANCjTt7CF3YADA==
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

2026-09-17T10:01:33.727004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081412
observed aaa68706868aef8b26de66ba5300ec03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.706007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081412/manifest.json
observed 09c3f8591addcecfa473a44eb36dec9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.687797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081412/publication.md
observed 17927445f84a726a05a5989fe150c42c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.669489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081412/publication.txt
observed 5a0b0a44dd817e6498b3145112c93231...
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.