Pith Number

pith:OXET5SXO

pith:2006:OXET5SXOP2HJVG2Q7H6QKQLKRZ

not attested not anchored not stored refs pending

Mathematical Challenges Arising in Thermoacoustic Tomography with Line Detectors

M. Haltmeier, T. Fidler

arxiv:math/0610155 v4 · 2006-10-04 · math.AP · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OXET5SXOP2HJVG2Q7H6QKQLKRZ}

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	2026-06-03T22:06:20.719002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75c93ecaee7e8e9a9b50f9fd05416a8e4ad128ce76a33f35a5416d6e7297ae74

Aliases

arxiv: math/0610155 · arxiv_version: math/0610155v4 · doi: 10.48550/arxiv.math/0610155 · pith_short_12: OXET5SXOP2HJ · pith_short_16: OXET5SXOP2HJVG2Q · pith_short_8: OXET5SXO

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/OXET5SXOP2HJVG2Q7H6QKQLKRZ \
  | 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: 75c93ecaee7e8e9a9b50f9fd05416a8e4ad128ce76a33f35a5416d6e7297ae74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "645048dcf8711ffc00461b437b6b46601134740c7a25d36741042da058bc28c2",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "2006-10-04T17:25:36Z",
    "title_canon_sha256": "8cbf5c3e7d3316d0175959fc3dbb5e37ce99bcdfc0438e14ffe268a30e911222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0610155",
    "kind": "arxiv",
    "version": 4
  }
}