OpenTechnical

OT-2026-000043753

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000043753) never changes.

Identity and time

Publication numberOT-2026-000043753 · never reused
Internal UUID01a0ae7b-d676-771a-93f4-cf2a6ae9c687 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043753
StatusPUBLIC

Content hashes

Canonical texteae47db97014b6df2dd96d1598e6de550aa06b57e897f988746218a81103f634
Markdown5162cc6491d4b9786818c1a69752375220ce4c35b47c773bb65b2afc60949ef3
PDF
Publication page9721a488a4d7b666228fc10dd1af59c16cf109244632ce72bf719090f8d186ed
Manifest46070ef846454f1bf9164faa6b111b0526a59986254e3b5d5dd4c50b1123ec1e

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
SignatureMbyiqx3tTm6vP2n9cgc7B/r+w5U3UKa4DMFJro0IwT6fh/tsFNXw3PpTIMc1u3AX4CFtL2LgrH+HX8UNegMHDw==
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

2026-09-17T11:12:02.124046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043753
observed 9721a488a4d7b666228fc10dd1af59c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.107401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043753/manifest.json
observed 46070ef846454f1bf9164faa6b111b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.090086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043753/publication.md
observed 5162cc6491d4b9786818c1a697523752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.070832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043753/publication.txt
observed eae47db97014b6df2dd96d1598e6de55...
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.