Pith Number

pith:UB3MI7E6

pith:2011:UB3MI7E6VY4ZATQ577UACAGT3U

not attested not anchored not stored refs pending

The Adjoint Method Applied to Time-Distance Helioseismology

Aaron Birch, Jeroen Tromp, Laurent Gizon, Shravan Hanasoge

arxiv:1105.4263 v1 · 2011-05-21 · astro-ph.SR · 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{UB3MI7E6VY4ZATQ577UACAGT3U}

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	2026-05-18T02:01:53.130897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a076c47c9eae39904e1dffe80100d3dd295c1f42d00037c3f2914fc7491ec6f0

Aliases

arxiv: 1105.4263 · arxiv_version: 1105.4263v1 · doi: 10.48550/arxiv.1105.4263 · pith_short_12: UB3MI7E6VY4Z · pith_short_16: UB3MI7E6VY4ZATQ5 · pith_short_8: UB3MI7E6

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/UB3MI7E6VY4ZATQ577UACAGT3U \
  | 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: a076c47c9eae39904e1dffe80100d3dd295c1f42d00037c3f2914fc7491ec6f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69b14161469b5fcb2e58b22e8493f98cae4b81e27f4bf32e081f17c548443e63",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-21T13:48:39Z",
    "title_canon_sha256": "ecc52a67fbf9aa87ffd96139afd01d80bfbe2543ecae895daa33d38395c3c5b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4263",
    "kind": "arxiv",
    "version": 1
  }
}