OpenTechnical

OT-2026-000089237

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-2026-000089237) never changes.

Identity and time

Publication numberOT-2026-000089237 · never reused
Internal UUID01a0ae9b-db00-70e0-a14b-c0c7589a5ef3 · 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-2026-000089237
StatusPUBLIC

Content hashes

Canonical textc58ac0877fcb9bb48e8d117184031e06b74d4abc8d3ed7846cec0af0dd73bf10
Markdown0b9d5621b8b06972d7d04edfb085abc956fa07017980309329efa7f8377bd748
PDF
Publication pagebb0ef91b39b17e7bbac864e23ffdeec07e39af9c2d58b58fd5162a253b47e3ab
Manifest8406907b9dc36687995e26493c1613bfa3892dc3e60ccb161f857c52b1ce2b88

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
SignaturentA5ga8bCqnERyI003Wuasd87R3htBkPi2OkryLfMl81hBKhypLaG2IR28Kega+Wjld6zzW2xe4yaDOGolJcBA==
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

2026-09-17T09:47:16.097347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089237
observed bb0ef91b39b17e7bbac864e23ffdeec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.080271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089237/manifest.json
observed 8406907b9dc36687995e26493c1613bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.062869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089237/publication.md
observed 0b9d5621b8b06972d7d04edfb085abc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.046005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089237/publication.txt
observed c58ac0877fcb9bb48e8d117184031e06...
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.