Pith Number

pith:AFWISDYD

pith:2007:AFWISDYDCHE7ID6DQYK5NDBN2M

not attested not anchored not stored refs pending

Black Hole Information in a Detector (Atom) - Field Analog

B. L. Hu, Shih-Yuin Lin

arxiv:0712.3643 v1 · 2007-12-21 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AFWISDYDCHE7ID6DQYK5NDBN2M}

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	2026-07-04T17:17:40.634262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

016c890f0311c9f40fc38615d68c2dd325bd39f0eb69f4fd7a452d98dc8f7465

Aliases

arxiv: 0712.3643 · arxiv_version: 0712.3643v1 · doi: 10.48550/arxiv.0712.3643 · pith_short_12: AFWISDYDCHE7 · pith_short_16: AFWISDYDCHE7ID6D · pith_short_8: AFWISDYD

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/AFWISDYDCHE7ID6DQYK5NDBN2M \
  | 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: 016c890f0311c9f40fc38615d68c2dd325bd39f0eb69f4fd7a452d98dc8f7465

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a13f8e00ff7f39ec0dc2593a1881675860af9c0ce4a3e621ddd6d9ff2d284dc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-12-21T09:09:46Z",
    "title_canon_sha256": "afa9345a5b672b038a4da46472ecbe5c4ac3a278c5eb8c576806ab48e1340a02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.3643",
    "kind": "arxiv",
    "version": 1
  }
}