Pith Number

pith:WAI3FNZL

pith:2013:WAI3FNZL24UFUAC27QVXEGYBE7

not attested not anchored not stored refs pending

On the multi-frequency inverse source problem in heterogeneous media

James Taylor, Sebastian Acosta, Sum Chow, Vianey Villamizar

arxiv:1312.7395 v1 · 2013-12-28 · 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{WAI3FNZL24UFUAC27QVXEGYBE7}

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	2026-05-18T03:03:31.394522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b011b2b72bd7285a005afc2b721b0127d46a6fee88910eee70990028f59afe8a

Aliases

arxiv: 1312.7395 · arxiv_version: 1312.7395v1 · doi: 10.48550/arxiv.1312.7395 · pith_short_12: WAI3FNZL24UF · pith_short_16: WAI3FNZL24UFUAC2 · pith_short_8: WAI3FNZL

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/WAI3FNZL24UFUAC27QVXEGYBE7 \
  | 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: b011b2b72bd7285a005afc2b721b0127d46a6fee88910eee70990028f59afe8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9435b69123b5423aece7ebc87a7ee459e6113a2a69de422088d5b5bdfab433d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-12-28T05:33:02Z",
    "title_canon_sha256": "ed10eee3c9aab67f0438ffa20796121e795008e830baaf3bbbbb817fea7a0349"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7395",
    "kind": "arxiv",
    "version": 1
  }
}