OpenTechnical

OT-2026-000039736

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000039736) never changes.

Identity and time

Publication numberOT-2026-000039736 · never reused
Internal UUID01a0ae78-d8d5-7593-990d-d197ef6c1e7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039736
StatusPUBLIC

Content hashes

Canonical text2f3d086563e6d96e8dbdae2a279445c73eca19b6e2549bb15883ab5828a3de36
Markdown6ed7c73b082ebbfe779ed8da6603960614f63d62f5f82a883fcf4c647532d33a
PDF
Publication page7d0c2f96f2f9053bf99044bf1cf6329011488b768049e06371a6c9aa655b725a
Manifest923fba20cd431138767cb79546521f204c4084f30a1f5ce235c2d33bfcbd8372

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
SignaturekoYUJi5ShfAiMkqRIY2LWQKucQF/XnUcvSnKSmQWCXxoO7g3wlIddaF+5vPYlztjv4H2tmtnzWVDHHVXg7W1Ag==
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

2026-09-17T11:19:56.878325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039736
observed 7d0c2f96f2f9053bf99044bf1cf63290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.860005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039736/manifest.json
observed 923fba20cd431138767cb79546521f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.841541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039736/publication.md
observed 6ed7c73b082ebbfe779ed8da66039606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.822024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039736/publication.txt
observed 2f3d086563e6d96e8dbdae2a279445c7...
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.