Pith Number

pith:QKUC6EJ2

pith:2013:QKUC6EJ2ZHTWMPDX57VGKBNHCD

not attested not anchored not stored refs pending

Restarted inverse Born series for the Schr\"odinger problem with discrete internal measurements

Fernando Guevara Vasquez, Patrick Bardsley

arxiv:1309.7384 v1 · 2013-09-27 · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QKUC6EJ2ZHTWMPDX57VGKBNHCD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:59:38.996906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82a82f113ac9e7663c77efea6505a710c7f076f3a1ebb02257f6b52b0c9c8972

Aliases

arxiv: 1309.7384 · arxiv_version: 1309.7384v1 · doi: 10.48550/arxiv.1309.7384 · pith_short_12: QKUC6EJ2ZHTW · pith_short_16: QKUC6EJ2ZHTWMPDX · pith_short_8: QKUC6EJ2

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QKUC6EJ2ZHTWMPDX57VGKBNHCD \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 82a82f113ac9e7663c77efea6505a710c7f076f3a1ebb02257f6b52b0c9c8972

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaac2ed3a8700e581249ebb48216bb754b7e466f7cd47141a2975b8490db4694",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-09-27T22:47:51Z",
    "title_canon_sha256": "72c89909bd9bd6c4c8f774f64fbac168aaa903714f1753bd9f5ea7aa44f3ceaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7384",
    "kind": "arxiv",
    "version": 1
  }
}