OpenTechnical

OT-2026-000088954

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088954) never changes.

Identity and time

Publication numberOT-2026-000088954 · never reused
Internal UUID01a0ae9b-8f11-7579-9e2f-90ac57a241b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088954
StatusPUBLIC

Content hashes

Canonical textbe32b81947a695ea30878b33557c91c2159f533a4f705ef0e632a6d2f1e0fcc7
Markdown79dc7fb519a21f2b0b53ca7acf5d579ee66d96b6ea90dc9fb82878aed59c6ca0
PDF
Publication page13b6b87b7380e2997231754fd2da463ed96b08bb9300cbb409c3886a6de6f88e
Manifest1e47e655fcf04b81ef1d79876a201ecf2bf7840c54ce4bd95e45bf314df55b10

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
Signature80JVIEI/0IDqXZ3AgBumVy/XtHRGNzrOXMXUnG/1o2QIatzb4NwSwMZFv+90JEuyXw6I9sa/UrjzKJR8obciBg==
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

2026-09-17T09:48:08.689472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088954
observed 13b6b87b7380e2997231754fd2da463e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:08.669517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088954/manifest.json
observed 1e47e655fcf04b81ef1d79876a201ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:08.649097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088954/publication.md
observed 79dc7fb519a21f2b0b53ca7acf5d579e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:08.629510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088954/publication.txt
observed be32b81947a695ea30878b33557c91c2...
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.