OpenTechnical

OT-2026-000039567

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000039567) never changes.

Identity and time

Publication numberOT-2026-000039567 · never reused
Internal UUID01a0ae78-d8d3-7861-8624-42ce45b745c0 · 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-2026-000039567
StatusPUBLIC

Content hashes

Canonical text68aaf4992f0509c3735e6cbdd36b075f0b0b3f695fd45fd59f6e0eadf3da519d
Markdownfa2c315fa921aa0e24f87d579abb95eb5a027e10d7302c7d134987117879dd6a
PDF
Publication pageb9f961c579929ca6d4215baa67e98052c6d071853ec96574b8521a874db43082
Manifest144dd5a5bd10cf56650704ec467e0d709de3fdd0d4918b8ba01c7c632bd0be23

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
SignatureamEbauC/W3yqASK/wv0cVe8b0rjIaC5rqdRE6b5aGrQhNtjAY0oABel0OqA/n4F0XdK5yKxSndUHNLeoR2lmCA==
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

2026-09-17T11:19:43.350143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039567
observed b9f961c579929ca6d4215baa67e98052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:43.331880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039567/manifest.json
observed 144dd5a5bd10cf56650704ec467e0d70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:43.315155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039567/publication.md
observed fa2c315fa921aa0e24f87d579abb95eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:43.297605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039567/publication.txt
observed 68aaf4992f0509c3735e6cbdd36b075f...
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.