Pith Number

pith:4EULGHDQ

pith:2017:4EULGHDQJHDVRRONIXF7CJKZM3

not attested not anchored not stored refs pending

The attenuated geodesic X-ray transform

Fran\c{c}ois Monard, Plamen Stefanov, Sean Holman

arxiv:1708.08973 v1 · 2017-08-29 · math.AP · 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{4EULGHDQJHDVRRONIXF7CJKZM3}

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	2026-05-18T00:36:21.542139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e128b31c7049c758c5cd45cbf1255966f2f06c09c5aeec2982195e771ef586e7

Aliases

arxiv: 1708.08973 · arxiv_version: 1708.08973v1 · doi: 10.48550/arxiv.1708.08973 · pith_short_12: 4EULGHDQJHDV · pith_short_16: 4EULGHDQJHDVRRON · pith_short_8: 4EULGHDQ

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/4EULGHDQJHDVRRONIXF7CJKZM3 \
  | 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: e128b31c7049c758c5cd45cbf1255966f2f06c09c5aeec2982195e771ef586e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "677709680aa1388b670db92f5d6b723201a5b181736f06374d41376045c1d6e9",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-08-29T18:57:24Z",
    "title_canon_sha256": "a2f6e54f91f9195bb0ee4f950d0a37dc9edeaca4839461c23df29bb6398dd1b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08973",
    "kind": "arxiv",
    "version": 1
  }
}