OpenTechnical

OT-2026-000089884

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089884) never changes.

Identity and time

Publication numberOT-2026-000089884 · never reused
Internal UUID01a0ae9c-428d-7306-82e5-d23cc2d11760 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089884
StatusPUBLIC

Content hashes

Canonical text832918bac722fc9913acf41d8916bd235530d115c75a571442dc6a1936f59282
Markdown5a62a676260415e983cc338de126ee1e48afec9ee926b63aa9784b202d0eb5f2
PDF
Publication pageaed55cd70e9b45d5ba80e60a10fdfc801e22a3cff97d2169c775a1918df44e30
Manifest5699106421e0252019afd35adef096a941744bf5956cdb1f0e7cf30ae96814aa

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
Signature+YkMVymTGg4mW5JmW01JHYfpix0yy5pmklb6X1ejlrR6c+45j2WfYEgTM03PVZndLLP5ifQ+wjfF073LpWYxDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:08.801685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089884
observed aed55cd70e9b45d5ba80e60a10fdfc80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:08.784341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089884/manifest.json
observed 5699106421e0252019afd35adef096a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:08.767072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089884/publication.md
observed 5a62a676260415e983cc338de126ee1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:08.747717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089884/publication.txt
observed 832918bac722fc9913acf41d8916bd23...
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.