OpenTechnical

OT-2026-000043391

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000043391) never changes.

Identity and time

Publication numberOT-2026-000043391 · never reused
Internal UUID01a0ae7b-327e-7a3f-9b9b-071c3c753a82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043391
StatusPUBLIC

Content hashes

Canonical texta51848a0a1071f7741aea778d7ca9c3b3b2763d1f95af742b015e3c164bbafce
Markdown341617aaf29e79e1a3cd2ce460c2e7d6af1a2118f4e09b163ab17cbac073df55
PDF
Publication page76d43c35fd99ca23e96b6f96909cb837c5ac9bd1d3853826f6b97c39258c3873
Manifest85b53f0e5a5566950c6bd8911a5e619a5868625bb99e41e8dfb271d4135ea34c

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
SignatureLIgNAWX9Yk/6+EJ6sgR1EbKabDUo9bcmz0eZYtlfSBSC9AplZs5FoYmHuOHZLP9E+umamCz/Txbs91rTDMxJCA==
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

2026-09-17T11:13:55.435881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043391
observed 76d43c35fd99ca23e96b6f96909cb837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.416512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043391/manifest.json
observed 85b53f0e5a5566950c6bd8911a5e619a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.399632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043391/publication.md
observed 341617aaf29e79e1a3cd2ce460c2e7d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.381646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043391/publication.txt
observed a51848a0a1071f7741aea778d7ca9c3b...
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.