Pith Number

pith:4F2NNRVB

pith:2015:4F2NNRVBAZB5STM74JNMLNVLRS

not attested not anchored not stored refs pending

A relativistic acoustic metric for planar black holes

S. Hossenfelder

arxiv:1508.00732 v3 · 2015-08-04 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4F2NNRVBAZB5STM74JNMLNVLRS}

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	2026-05-18T01:24:03.433636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e174d6c6a10643d94d9fe25ac5b6ab8c9adb91f81e3790d71c3561e398ab9511

Aliases

arxiv: 1508.00732 · arxiv_version: 1508.00732v3 · doi: 10.48550/arxiv.1508.00732 · pith_short_12: 4F2NNRVBAZB5 · pith_short_16: 4F2NNRVBAZB5STM7 · pith_short_8: 4F2NNRVB

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/4F2NNRVBAZB5STM74JNMLNVLRS \
  | 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: e174d6c6a10643d94d9fe25ac5b6ab8c9adb91f81e3790d71c3561e398ab9511

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ab3ed74227131d6bde76b5dcc75db2298829bce24907d0b3916154f71724335",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-08-04T11:11:22Z",
    "title_canon_sha256": "18d014fc594124d2ec08b656a1961fb1b065aafe5491e0dca35100a900f81626"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00732",
    "kind": "arxiv",
    "version": 3
  }
}