OpenTechnical

OT-2026-000072329

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000072329) never changes.

Identity and time

Publication numberOT-2026-000072329 · never reused
Internal UUID01a0ae92-47c3-7783-b1c0-99af3d955c5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072329
StatusPUBLIC

Content hashes

Canonical textc5380f578fcf86e9134d35e8069125282535bc49cd9c63c4e719872ccb75f0d4
Markdown390d087940ab0bd129ee5a2f7dbadc3d2484817e55d9d043b6dedf367c476296
PDF
Publication page72e9f36975b91f4f52efd574087f77e21f5d0aabbf3038c794a41c40777aa390
Manifest1034faa2e2caff87bf37c56bcb9bd98737cb4068b755245ac79ed2778a0cb3d2

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
Signature3pjkgf0BKZXB24ZWUWgvTu5LB5Nnt0l03yEM5y0OvHgwI7mOz/j9PWeSq5y4TxuDQcW8/6AtO/A6nNBM4U3gAQ==
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

2026-09-17T10:23:33.530063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072329
observed 72e9f36975b91f4f52efd574087f77e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:33.513009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072329/manifest.json
observed 1034faa2e2caff87bf37c56bcb9bd987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:33.495561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072329/publication.md
observed 390d087940ab0bd129ee5a2f7dbadc3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:33.479895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072329/publication.txt
observed c5380f578fcf86e9134d35e806912528...
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.