OpenTechnical

OT-2026-000088744

Publication integrity record

Two cup vacuum gripper, two 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-2026-000088744) never changes.

Identity and time

Publication numberOT-2026-000088744 · never reused
Internal UUID01a0ae9b-8f10-7314-9c82-5eb49fb0980b · 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-2026-000088744
StatusPUBLIC

Content hashes

Canonical text6b494950495c3cb6ada90868dfb5f6ddaa674e9463de164d61c8deed29ca7802
Markdown7d3f9e47045805ff00875893a126018b64cb8f730a9d45a9d51f2b4d219e74e4
PDF
Publication page79c71bbc442d739cd5933fbca10adde25872a17a170bc5f28deacfcbc8eb1368
Manifest265b2a37bf1783288958fdca36ab7e9056994b3da73a97b708985efa67b14a4a

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
SignatureKcG90roOvk9zN2kJBxitwhovrjfM/hQ0Qt47cZD+D0H8TuKkjmISEbaR7ffnVsnjxomSnYygeDsCAuhoJTKTAQ==
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

2026-09-17T09:47:59.354929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088744
observed 79c71bbc442d739cd5933fbca10adde2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:59.337975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088744/manifest.json
observed 265b2a37bf1783288958fdca36ab7e90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:59.321408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088744/publication.md
observed 7d3f9e47045805ff00875893a126018b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:59.302391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088744/publication.txt
observed 6b494950495c3cb6ada90868dfb5f6dd...
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.