Pith Number

pith:UVBUDIHF

pith:2013:UVBUDIHFMVPOB7IVOAD52HLWET

not attested not anchored not stored refs pending

Outer trapped surfaces are dense near MOTSs

Gregory J. Galloway, Piotr T. Chrusciel

arxiv:1308.6057 v2 · 2013-08-28 · gr-qc · 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{UVBUDIHFMVPOB7IVOAD52HLWET}

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	2026-05-18T01:47:57.663416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a54341a0e5655ee0fd157007dd1d7624f2d784bbd4ab3ad9850911cb5f5941f2

Aliases

arxiv: 1308.6057 · arxiv_version: 1308.6057v2 · doi: 10.48550/arxiv.1308.6057 · pith_short_12: UVBUDIHFMVPO · pith_short_16: UVBUDIHFMVPOB7IV · pith_short_8: UVBUDIHF

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/UVBUDIHFMVPOB7IVOAD52HLWET \
  | 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: a54341a0e5655ee0fd157007dd1d7624f2d784bbd4ab3ad9850911cb5f5941f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffba3da9ebb2619fc1a93e9f769da110506e6201424689ec9df08f3316a79433",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-08-28T04:49:56Z",
    "title_canon_sha256": "6f44fa38ba9d5c62eed79d791f3083eff7a7b1ae419edcaf817e3174a3ae3ca9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6057",
    "kind": "arxiv",
    "version": 2
  }
}