Pith Number

pith:EC7YJRVG

pith:2017:EC7YJRVGX3V7XOF4VAU5NW423F

not attested not anchored not stored refs pending

Reconstruction of a compact Riemannian manifold from the scattering data of internal sources

Hanming Zhou, Matti Lassas, Teemu Saksala

arxiv:1708.07573 v2 · 2017-08-24 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EC7YJRVGX3V7XOF4VAU5NW423F}

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	2026-05-18T00:20:44.516338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20bf84c6a6beebfbb8bca829d6db9ad96df371505efe65ca83444ab194face14

Aliases

arxiv: 1708.07573 · arxiv_version: 1708.07573v2 · doi: 10.48550/arxiv.1708.07573 · pith_short_12: EC7YJRVGX3V7 · pith_short_16: EC7YJRVGX3V7XOF4 · pith_short_8: EC7YJRVG

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/EC7YJRVGX3V7XOF4VAU5NW423F \
  | 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: 20bf84c6a6beebfbb8bca829d6db9ad96df371505efe65ca83444ab194face14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a68be5d6d95992eadafdd8ec57a59ba5f924227bb6ba4d2a242d031aa973e4cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-08-24T22:54:38Z",
    "title_canon_sha256": "80cfbee992f7c45b56692bc3ad6b4edc3479b4e2cacc09daadc7d90f3007f7a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07573",
    "kind": "arxiv",
    "version": 2
  }
}