OpenTechnical

OT-2026-000043502

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, sustained blow-off 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-2026-000043502) never changes.

Identity and time

Publication numberOT-2026-000043502 · never reused
Internal UUID01a0ae7b-92ce-7b38-bdff-eced66708668 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043502
StatusPUBLIC

Content hashes

Canonical text974634acabdeafd6ec2bae0eca8315dfe4ef957c0b8ade5049304503cfbbb152
Markdowneccccd8ad5bb8a979d501a9e78d591b561c55274b59b4d1743652e97b5b43690
PDF
Publication pagea1415426aa8a4e8b6d467947c128768e803d58e7e3d82565f64717531c27effc
Manifest78801c259a7db650080a82fe1e78563656c868adfca84225bd91f8a07de6c1ff

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
SignatureMMLRY4mM+K7+mH/QwXnaEg5WdsyfaG62icajQl3u6Q8aHG+OydXP/EaYUGzHfkOpttGnEZXWlsQlSQcpqZfMCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:52.163981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043502
observed a1415426aa8a4e8b6d467947c128768e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.144296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043502/manifest.json
observed 78801c259a7db650080a82fe1e785636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.123649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043502/publication.md
observed eccccd8ad5bb8a979d501a9e78d591b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.102947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043502/publication.txt
observed 974634acabdeafd6ec2bae0eca8315df...
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.