Pith Number

pith:RG3H4YT7

pith:2013:RG3H4YT74YUKEQPZDDDIQQIT36

not attested not anchored not stored refs pending

Time reversal for radiative transport with applications to inverse and control problems

Sebastian Acosta

arxiv:1304.3047 v2 · 2013-04-10 · math.AP · math-ph · math.MP · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RG3H4YT74YUKEQPZDDDIQQIT36}

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	2026-05-18T03:16:49.207127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89b67e627fe628a241f918c6884113df8d52034b897515b462d3367ce6ddcf1e

Aliases

arxiv: 1304.3047 · arxiv_version: 1304.3047v2 · doi: 10.48550/arxiv.1304.3047 · pith_short_12: RG3H4YT74YUK · pith_short_16: RG3H4YT74YUKEQPZ · pith_short_8: RG3H4YT7

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/RG3H4YT74YUKEQPZDDDIQQIT36 \
  | 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: 89b67e627fe628a241f918c6884113df8d52034b897515b462d3367ce6ddcf1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "997a505cbb76d5055cbd1d5dc6de07fb7c8d08109eb9c98d604d1ff14a1aa2b3",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-04-10T18:29:00Z",
    "title_canon_sha256": "b83effefc4819c01821d363d1c76a6252141d92cc3e5b78bddf2d27485cc31f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3047",
    "kind": "arxiv",
    "version": 2
  }
}