OpenTechnical

OT-2026-000023483

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed 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-2026-000023483) never changes.

Identity and time

Publication numberOT-2026-000023483 · never reused
Internal UUID01a0ae70-7269-71c7-ba8a-7471bb3b03d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023483
StatusPUBLIC

Content hashes

Canonical textd729e4a928982f22c45bf8348a379e178331ecda8f8f225ba4e75823aa452ec8
Markdown7bead2bb903d59ea3df96c0b9c7bdc8a586c22752c257f17b4d27790a6431fc5
PDF
Publication page66c603a4dddc04eecf041913b598b36277523c3bf1719053e2a154429a47a525
Manifest4d190438e6706590be558a258844006a7f1fae593b70ca24c7fa68ef25920367

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
SignatureE8jwe55YMgxjXltj7mxj70RtG9JQ1K9+Ajdcj00Sc8nGZ7AYTye20MKaOTnf/1+SNEkXYmlbO6bUb7KCxLs2Bw==
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

2026-09-17T11:51:42.552631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023483
observed 66c603a4dddc04eecf041913b598b362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.531572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023483/manifest.json
observed 4d190438e6706590be558a258844006a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.509384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023483/publication.md
observed 7bead2bb903d59ea3df96c0b9c7bdc8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.490175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023483/publication.txt
observed d729e4a928982f22c45bf8348a379e17...
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.