OpenTechnical

OT-2026-000043427

Publication integrity record

Foam pad 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-2026-000043427) never changes.

Identity and time

Publication numberOT-2026-000043427 · never reused
Internal UUID01a0ae7b-327f-79ea-8897-d5215924a9c4 · 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-2026-000043427
StatusPUBLIC

Content hashes

Canonical textcbddfbb96aeac262d322b684b4b8bb1adf2c851a40ee454bb4dce2ffe2b193de
Markdown6d5ddd73294955b901564c3b18a836cb40bad05e86174b83cde54c6653971caa
PDF
Publication page6f6317a99e3bac776f27de784d04d25ab9bd817706954a130495ac1b50589295
Manifest3d6fc76c04fd0767838e5f039570128ee435c3fdc49739613491df4afa680dab

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
SignatureuQ3Ug5qJQm1LVmQOBqTOUV8s0cME9YBt0SdcTYVBxNP8fL/gVUMp+WTNkbnIv8hbufFPp8YCFqieTXjZaJSQDw==
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

2026-09-17T11:13:58.296305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043427
observed 6f6317a99e3bac776f27de784d04d25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.277707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043427/manifest.json
observed 3d6fc76c04fd0767838e5f039570128e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.258764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043427/publication.md
observed 6d5ddd73294955b901564c3b18a836cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.239509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043427/publication.txt
observed cbddfbb96aeac262d322b684b4b8bb1a...
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.