OpenTechnical

OT-2026-000071950

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, vented 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-2026-000071950) never changes.

Identity and time

Publication numberOT-2026-000071950 · never reused
Internal UUID01a0ae92-47c0-7c88-9706-72c4748d39b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071950
StatusPUBLIC

Content hashes

Canonical text65fae2ff82a30b4cfa47bdf86f776a941e109b5094ae42ccee869b8bca1d0adb
Markdown776a0c91113ae1b7d164714850c923b71e3273c7dc70b2c80f04339f8961ab17
PDF
Publication page4429fa45c92265530a591fe8e416254bee1cd572bb5bf2c32373a15ddebb338a
Manifest1c0f6ef022b31300283197c25c3948acad3e19f1a6b42a133c5911de15d417f5

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
Signature+Q3d6V7zxEwLODLXTwlxbJDi+DST9C9JoKOTO+fOycm8kmXL6asN6CXXtG0XnCraTeoPy+RrJdv83J8nQpxeDw==
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

2026-09-17T10:22:59.228645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071950
observed 4429fa45c92265530a591fe8e416254b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.209285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071950/manifest.json
observed 1c0f6ef022b31300283197c25c3948ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.189601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071950/publication.md
observed 776a0c91113ae1b7d164714850c923b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.169720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071950/publication.txt
observed 65fae2ff82a30b4cfa47bdf86f776a94...
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.