OpenTechnical

OT-2026-000089573

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000089573) never changes.

Identity and time

Publication numberOT-2026-000089573 · never reused
Internal UUID01a0ae9c-1a21-7c44-b562-919ac58305b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089573
StatusPUBLIC

Content hashes

Canonical text4d1eab74a26833325ee6fe7ebe436e9dc6a52aca996c7e62798832ba636cf6d8
Markdown5bb328408a2be8e85b0fc98a5005af03647a627eb1f94dd2be2d9501b1331e23
PDF
Publication page4c5c58bb5fc5fbec37df708b28c16ddfb0c5303320620560c6b336b147cb034a
Manifestc4cec49ee44b92c4db1b7978058d45a293dc259c348bf14847ea24edb2f10870

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
SignaturedeARhpZSDpNdiM/IBLzsEhAnuf8GS4er+i12TeGH17551Wse0UV0amY0bhEJ49yZKmGs3omwmFgANaC2P1OHCQ==
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

2026-09-17T09:46:32.912865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089573
observed 4c5c58bb5fc5fbec37df708b28c16ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.893886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089573/manifest.json
observed c4cec49ee44b92c4db1b7978058d45a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.874975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089573/publication.md
observed 5bb328408a2be8e85b0fc98a5005af03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.856451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089573/publication.txt
observed 4d1eab74a26833325ee6fe7ebe436e9d...
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.