OpenTechnical

OT-2026-000091529

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091529) never changes.

Identity and time

Publication numberOT-2026-000091529 · never reused
Internal UUID01a0ae9c-f16e-721f-a305-ff7cbdf5cb04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091529
StatusPUBLIC

Content hashes

Canonical textffeb871d79c7e95bd018ad110e8d57788e42d3ed14deb6f57da9d131f3b06359
Markdown297a2b8aafffc0a4acdecc999af4e92da2985c2a73ef69e0d765941fef8485cf
PDF
Publication pagea1d2ef4b382835d61a998bb195c0616531a61d099bdd792ab029fa0e0454c62b
Manifest4937baa6a9ad46dce500fb670ef45b8ed31d943be19a4771e658e74e476a842f

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
SignaturekeTweW166cJabp2ZAdqqsJP32ZnrouW13m6qHsRVxjZnRp1q4gxol2sQz1ZFCDZcpZYBAc3sf7v5DabhhWMBDw==
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

2026-09-17T09:43:47.686181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091529
observed a1d2ef4b382835d61a998bb195c06165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.670693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091529/manifest.json
observed 4937baa6a9ad46dce500fb670ef45b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.652937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091529/publication.md
observed 297a2b8aafffc0a4acdecc999af4e92d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.637224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091529/publication.txt
observed ffeb871d79c7e95bd018ad110e8d5778...
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.