Pith Number

pith:TYU2H33N

pith:2011:TYU2H33NY3ABNL5VDR2U4VJEWO

not attested not anchored not stored refs pending

Thermoacoustic Tomography in Elastic Media

Justin Tittelfitz

arxiv:1105.0898 v2 · 2011-05-04 · math.AP · 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{TYU2H33NY3ABNL5VDR2U4VJEWO}

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	2026-05-18T02:02:08.781748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e29a3ef6dc6c016afb51c754e5524b39bba22e2a884b129a1da82428d070538

Aliases

arxiv: 1105.0898 · arxiv_version: 1105.0898v2 · doi: 10.48550/arxiv.1105.0898 · pith_short_12: TYU2H33NY3AB · pith_short_16: TYU2H33NY3ABNL5V · pith_short_8: TYU2H33N

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/TYU2H33NY3ABNL5VDR2U4VJEWO \
  | 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: 9e29a3ef6dc6c016afb51c754e5524b39bba22e2a884b129a1da82428d070538

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c4b738417cce64ae43f35b3a714ee700611cdc464b33d4d1a89e46e700c79d4",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-05-04T19:05:38Z",
    "title_canon_sha256": "e8c8141178cab81f2bd69f16121e0a61a2a5f833976f811c32129a80377171ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0898",
    "kind": "arxiv",
    "version": 2
  }
}