OpenTechnical

OT-2026-000020421

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single 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-2026-000020421) never changes.

Identity and time

Publication numberOT-2026-000020421 · never reused
Internal UUID01a0ae6f-437b-7300-8d7f-841559fc5bf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020421
StatusPUBLIC

Content hashes

Canonical textd0f0f821080b0ecfb3955f597785249ac6c37563801934dc305b566bfd4f3de0
Markdowna7395007b3aebf21fccf9133b200b2609b75606205c27258f07c9e9d1dabdb23
PDF
Publication pageb8035ab9c527064295e4805ad7675dd43c9ebbf78c97c368efc27fe6cac0d421
Manifestfb86fd628f56708fbeac44951c8a4237e87c43cd14383d9a0e46202d8cfb334b

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
SignaturekweWnTbv3qZiEEljCBPAWVjk3g3SdqqQsw4OPARRCSYgR7L9t0UBoD5oU5bT52IMqxFckG14/XfnBLxZgJSIDg==
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

2026-09-17T12:00:20.059388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020421
observed b8035ab9c527064295e4805ad7675dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:20.040912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020421/manifest.json
observed fb86fd628f56708fbeac44951c8a4237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:20.020623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020421/publication.md
observed a7395007b3aebf21fccf9133b200b260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:19.999847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020421/publication.txt
observed d0f0f821080b0ecfb3955f597785249a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:24.019071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020421
observed b8035ab9c527064295e4805ad7675dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:23.999652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020421/manifest.json
observed fb86fd628f56708fbeac44951c8a4237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:23.980347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020421/publication.md
observed a7395007b3aebf21fccf9133b200b260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:23.961318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020421/publication.txt
observed d0f0f821080b0ecfb3955f597785249a...
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.