OpenTechnical

OT-2026-000009257

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off after set-down, on a tool changer

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-2026-000009257) never changes.

Identity and time

Publication numberOT-2026-000009257 · never reused
Internal UUID01a0ae6b-31b9-7dcd-b5f9-60f79ed1acb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009257
StatusPUBLIC

Content hashes

Canonical text4b9f494fe743e07124f79e7de40135bec1bace1ab70418c12d14fff3a0e4a9ac
Markdown4fad9e8efa6061c8d331f8f1d2b67652d8e37fac01237073de43017112498209
PDF
Publication paged792819ae1b73a964477407b7ff662b682e2e7eb251df38b8f538255f832d04d
Manifest55a490406aaa329053d6e02603f8a2e21b0bde4f551743baa22c803be111100e

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
SignatureDQxGqGMYlCUC4WZSNf+ssVhqGOwhKmrAhhVULzoGTz4N9z9Zz5K4oj9qi2vN2heyOS72AUR3GeUITHxEU83LDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:59.935201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009257
observed d792819ae1b73a964477407b7ff662b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.914169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009257/manifest.json
observed 55a490406aaa329053d6e02603f8a2e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.894598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009257/publication.md
observed 4fad9e8efa6061c8d331f8f1d2b67652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.876132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009257/publication.txt
observed 4b9f494fe743e07124f79e7de40135be...
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.