OpenTechnical

OT-2026-000043701

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000043701) never changes.

Identity and time

Publication numberOT-2026-000043701 · never reused
Internal UUID01a0ae7b-92d1-7453-8104-8212fa950841 · 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-2026-000043701
StatusPUBLIC

Content hashes

Canonical text41f1e629e06b04aba146834543a56ab3a2f07954957ed58f711281627ac18bea
Markdown970b99b55fdf9fa52d5341a9714a4bd626469e93650368d3974b0bc90b0af5f0
PDF
Publication pageb700bef0927707771d39b058bf20732c5f6662b5655098bde827445dc9c390f9
Manifest0b19eaf2b12e2df68b83e606973918a9ddd158c5ce8608835e8c99c8fc40abda

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
SignaturegNDXE+EPmKAe77l32YMhSWOGDhdhbZ1jWNxaPigW6quXFtmwCwqd1bGef+bm0ULZn5ByqVbjIxJMn6fbHYqcDQ==
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

2026-09-17T11:13:11.841717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043701
observed b700bef0927707771d39b058bf20732c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.823115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043701/manifest.json
observed 0b19eaf2b12e2df68b83e606973918a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.803675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043701/publication.md
observed 970b99b55fdf9fa52d5341a9714a4bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.782951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043701/publication.txt
observed 41f1e629e06b04aba146834543a56ab3...
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.