Pith Number

pith:TFOTAOW2

pith:2013:TFOTAOW2D72RKRUQE5WOP35UQ2

not attested not anchored not stored refs pending

Multi-Shell Ankylography

Chien-Chun Chen, Jianwei Miao, Leigh S. Martin

arxiv:1311.4517 v1 · 2013-11-18 · physics.optics · physics.bio-ph · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TFOTAOW2D72RKRUQE5WOP35UQ2}

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	2026-05-18T03:06:52.471491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

995d303ada1ff5154690276ce7efb486a6eddcb8810b148288451921070aa72d

Aliases

arxiv: 1311.4517 · arxiv_version: 1311.4517v1 · doi: 10.48550/arxiv.1311.4517 · pith_short_12: TFOTAOW2D72R · pith_short_16: TFOTAOW2D72RKRUQ · pith_short_8: TFOTAOW2

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/TFOTAOW2D72RKRUQE5WOP35UQ2 \
  | 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: 995d303ada1ff5154690276ce7efb486a6eddcb8810b148288451921070aa72d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2867d20edc4663b999d5a8cd8498dfe4f4939116b747260ea3bf862064b7a37",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-11-18T19:53:37Z",
    "title_canon_sha256": "80d22e6d47c24a5bb2417c613c523d575bf382165d9f9627eb521401895c3225"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4517",
    "kind": "arxiv",
    "version": 1
  }
}