OpenTechnical

OT-2026-000089240

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line 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-2026-000089240) never changes.

Identity and time

Publication numberOT-2026-000089240 · never reused
Internal UUID01a0ae9b-db00-771b-b95d-11edb3e8c1f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089240
StatusPUBLIC

Content hashes

Canonical text040c8586d4904384285a7ea118cff04ed3e59a6ce6954fc495848bbd74483e60
Markdowna25c2d43a3af644a5c21efd5ddeae81cb8299f1b44b7c1dcfb4616999042c666
PDF
Publication page73f05b6cc3cf88805437dbb34cae2c8e825d624328c494d51b312068960d8a6b
Manifesta215db3a8f4526d21110f38f79ba1b278443270182961aa4aa1906cc672535ff

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
SignatureTvCql3qJlng8BggjmiMmiVMT+2XapDZjMz5kBzzm59RB5bYUUAjcq/8bt/rt9XZS7UywsokMYfBeNAP7YLtGBw==
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

2026-09-17T09:47:16.239552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089240
observed 73f05b6cc3cf88805437dbb34cae2c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.222434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089240/manifest.json
observed a215db3a8f4526d21110f38f79ba1b27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.204227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089240/publication.md
observed a25c2d43a3af644a5c21efd5ddeae81c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.187931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089240/publication.txt
observed 040c8586d4904384285a7ea118cff04e...
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.