Pith Number

pith:COYF33UN

pith:2017:COYF33UNGMXYKOCNYBWHLAFTPD

not attested not anchored not stored refs pending

Horizon avoidance in spherically-symmetric collapse

Daniel R. Terno, Robert B. Mann, Valentina Baccetti

arxiv:1703.09369 v1 · 2017-03-28 · gr-qc · hep-th · quant-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{COYF33UNGMXYKOCNYBWHLAFTPD}

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	2026-05-18T00:47:44.781099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13b05dee8d332f85384dc06c7580b378f3ae087f434f8bec9c14633a4841bf4e

Aliases

arxiv: 1703.09369 · arxiv_version: 1703.09369v1 · doi: 10.48550/arxiv.1703.09369 · pith_short_12: COYF33UNGMXY · pith_short_16: COYF33UNGMXYKOCN · pith_short_8: COYF33UN

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/COYF33UNGMXYKOCNYBWHLAFTPD \
  | 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: 13b05dee8d332f85384dc06c7580b378f3ae087f434f8bec9c14633a4841bf4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40fb71a9be5e3f07b380e27c27bc8e45a77238eca40d97f41c2d558795fcf950",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-03-28T01:58:22Z",
    "title_canon_sha256": "25f3f26598761e6d4d45b72ce494503c19b6a75f4a466ce66a3f37ba7aaa23ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09369",
    "kind": "arxiv",
    "version": 1
  }
}