OpenTechnical

OT-2026-000043171

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000043171) never changes.

Identity and time

Publication numberOT-2026-000043171 · never reused
Internal UUID01a0ae7b-327c-73bc-bf29-06844b6efd9e · 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-2026-000043171
StatusPUBLIC

Content hashes

Canonical text2cb283fb1f3c39612b6d72e20992db9067f748c2ad8c539cbcc2e2c92ee76b9d
Markdown40a1b7390e41db7f7e7f5e60b8cafc59a4c724aed710ef34ed7989c8343f571e
PDF
Publication page296d824be514f76e00c54731250c8e7958ea7c53b1abb1c8f544946ca41bc11e
Manifest199b8ef30cd67e701c0af94021ee4f1c6fffe18ebb0d2332a314bc9791fd0ee5

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
SignaturetwDvScyfPTfw7VCKeeEZtnOKz0M7nkw+EGh0nK7dUw/JeoQspl9dh6W+8Id1BMwHnEn2uLdtM73BGhGWlWoKAQ==
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

2026-09-17T11:13:37.119092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043171
observed 296d824be514f76e00c54731250c8e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:37.095518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043171/manifest.json
observed 199b8ef30cd67e701c0af94021ee4f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:37.072847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043171/publication.md
observed 40a1b7390e41db7f7e7f5e60b8cafc59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:37.017412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043171/publication.txt
observed 2cb283fb1f3c39612b6d72e20992db90...
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.