OpenTechnical

OT-2026-000022830

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000022830) never changes.

Identity and time

Publication numberOT-2026-000022830 · never reused
Internal UUID01a0ae70-46ea-7a38-beac-42eaff844d51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022830
StatusPUBLIC

Content hashes

Canonical textc935e9fb1e4c69ba36d26cf40abb655e5a5466ae31ba5dab85df854aef134ea7
Markdown7317fb9b8f58a32580b7058db97df1ab909c83ac6b07b39b3e92568cc9ff2986
PDF
Publication page3b1d26c4cd9702d48e7624dbf1279cf162a189f4323e66c6b784a152ba3d4fab
Manifestf4cbc1f8be32a61f53fea6034c80276c7a82edc6fe384394f289830f2259afa5

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
SignatureLS6JWKTdawpzspI1kIGpmznW7hmBzS74USKE9ayZpt4JN/QM/eYwbt+5B3ENgxH4yX5vfwYdB/FgHr9qvhB/CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:52:21.784843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022830
observed 3b1d26c4cd9702d48e7624dbf1279cf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:21.768011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022830/manifest.json
observed f4cbc1f8be32a61f53fea6034c80276c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:21.748189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022830/publication.md
observed 7317fb9b8f58a32580b7058db97df1ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:21.729607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022830/publication.txt
observed c935e9fb1e4c69ba36d26cf40abb655e...
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.