OpenTechnical

OT-2026-000043275

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold 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-2026-000043275) never changes.

Identity and time

Publication numberOT-2026-000043275 · never reused
Internal UUID01a0ae7b-327d-77e9-9ab8-3cc106405751 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043275
StatusPUBLIC

Content hashes

Canonical text2743283f65f341670bf4fbc3cf3a98d0d8ac0a577b26dc7dfc2b2ec55baf33e7
Markdownf6f08f1e4a61dbd118f01811c2c510a6dae00205cb83262ac54cb5de339cd60e
PDF
Publication page9d825ea1a2f84b85fe93cd4c7ea883b9f173b3d3018b759e28fe421b32187cfb
Manifestdd554f7ab4bc2e560daf0ed626efb8854c6f34e8a3cd8f6f86095b1b4333bf53

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
SignatureEiV8pl1DESmWm8UNyJFCsU6eYhkHm977B7v2oTK8SFSPa/JBEFca7avV+mggn/qdmv3+TQo6QoKXYBxSCWRVAA==
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

2026-09-17T11:13:45.782906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043275
observed 9d825ea1a2f84b85fe93cd4c7ea883b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.762717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043275/manifest.json
observed dd554f7ab4bc2e560daf0ed626efb885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.745017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043275/publication.md
observed f6f08f1e4a61dbd118f01811c2c510a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.719939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043275/publication.txt
observed 2743283f65f341670bf4fbc3cf3a98d0...
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.