OpenTechnical

OT-2026-000022955

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000022955) never changes.

Identity and time

Publication numberOT-2026-000022955 · never reused
Internal UUID01a0ae70-46ec-79d8-99ed-b7c6275543a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022955
StatusPUBLIC

Content hashes

Canonical text769699d9478fcf9ea42c3dfff266642aee36ee228a4c46db17a7f76f1bf74cdd
Markdown7f9650357d557108e1f9fe01f943b09d9d069619bd1ece5e52f9e8f5680ab660
PDF
Publication page18c580610fe540f1bd0805bfd355c716c7e5d5f81760ab7d827aec50d81c1efd
Manifesta8fae34013552885c30f7eb5e1d1b31259e4fdb28ffe96d41b04ddb79b0ab935

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
SignaturesMGnrK4oXThVTMlTkQ4arE1wxCLhVAYi5KQ6rguaisANym93K+pw6Y4wrxzLeOA5VkZ+/yy76r2jzyZw6m82Dg==
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

2026-09-17T11:52:32.365859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022955
observed 18c580610fe540f1bd0805bfd355c716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:32.349598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022955/manifest.json
observed a8fae34013552885c30f7eb5e1d1b312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:32.333135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022955/publication.md
observed 7f9650357d557108e1f9fe01f943b09d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:32.317174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022955/publication.txt
observed 769699d9478fcf9ea42c3dfff266642a...
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.