Pith Number

pith:O2YEHLL5

pith:2014:O2YEHLL5LQQHRUVOLET6HSLDA5

not attested not anchored not stored refs pending

Quantitative photoacoustic tomography with piecewise constant material parameters

Otmar Scherzer, Wolf Naetar

arxiv:1403.2620 v3 · 2014-03-11 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O2YEHLL5LQQHRUVOLET6HSLDA5}

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	2026-05-18T01:32:43.845778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76b043ad7d5c2078d2ae5927e3c9630742128becdfa7bc0fd722ee5c3b24fc7c

Aliases

arxiv: 1403.2620 · arxiv_version: 1403.2620v3 · doi: 10.48550/arxiv.1403.2620 · pith_short_12: O2YEHLL5LQQH · pith_short_16: O2YEHLL5LQQHRUVO · pith_short_8: O2YEHLL5

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/O2YEHLL5LQQHRUVOLET6HSLDA5 \
  | 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: 76b043ad7d5c2078d2ae5927e3c9630742128becdfa7bc0fd722ee5c3b24fc7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bc518efc5966b3ed91e30d45d2fee192b47e17e577d36b273966b78eebf0baf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-03-11T15:50:05Z",
    "title_canon_sha256": "ae1b100e82269214701861d6ab56acf4ff9caba010f75f49194a0cdd29bc2d76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2620",
    "kind": "arxiv",
    "version": 3
  }
}