OpenTechnical

OT-2026-000052178

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000052178) never changes.

Identity and time

Publication numberOT-2026-000052178 · never reused
Internal UUID01a0ae83-e790-7285-a903-170ee376aba7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052178
StatusPUBLIC

Content hashes

Canonical texte099e52857a526a7dd0bf7a2b6f656dbb2cab7fa3676d0ab7b70ab2bc84ef91e
Markdownfce0ab954b2cb27cec82c0d079037e34f39d0d04352e27c873321a68cd37ab52
PDF
Publication paged8e168365bee862801289f93550c4647106ec2cfcd08fcc3154d1e8be61364d4
Manifest42ff42ebd76c67160822a4e8f1fd5fac2c3473dacc2f6782db098af4dc4dd464

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
SignatureVtjKlXBMIENA1kq8qH1Rva08dQIRGwHPDP6aoxPLD4oOUp0YtGDGn3w/Qj/3X0vDxIYCV9nS5xsf4swg6bjVBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:44.353820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052178
observed d8e168365bee862801289f93550c4647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:44.337668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052178/manifest.json
observed 42ff42ebd76c67160822a4e8f1fd5fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:44.319893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052178/publication.md
observed fce0ab954b2cb27cec82c0d079037e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:44.301876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052178/publication.txt
observed e099e52857a526a7dd0bf7a2b6f656db...
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.