OpenTechnical

OT-2026-000049675

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000049675) never changes.

Identity and time

Publication numberOT-2026-000049675 · never reused
Internal UUID01a0ae81-8fee-7d09-bfef-040483fbd578 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049675
StatusPUBLIC

Content hashes

Canonical text66092c1ffb21bb6842586285310ee0e84083e46138153def195b3b16d3ee5ed2
Markdown6c74390818dbdcebcb9552b6420d0a5a99b192002c6019c8a3e54712a937d139
PDF
Publication pagefac84932b6a9516e8eec50eb61fa37650aef60162786715e59bc257fc61f99d0
Manifeste368a9ff0a7b4f2bb245e089f0322a077ec776f8d5f0367dc8d83a10f4c5b17a

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
SignatureTjJGNKcXdxjuoDFbMaacH8rMrIf8BtLKr0BX7UMlzZ+1ZEmrYo8lmo6Rlnwp/YEM6e9rENh3tMX94aArwZ0NAw==
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

2026-09-17T11:02:40.868217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049675
observed fac84932b6a9516e8eec50eb61fa3765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.850346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049675/manifest.json
observed e368a9ff0a7b4f2bb245e089f0322a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.828678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049675/publication.md
observed 6c74390818dbdcebcb9552b6420d0a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.809790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049675/publication.txt
observed 66092c1ffb21bb6842586285310ee0e8...
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.