Pith Number

pith:XCPICVCQ

pith:2018:XCPICVCQL5KPGQUZ5ZMRMO2ELY

not attested not anchored not stored refs pending

Quantum fields in the background spacetime of a loop quantum gravity black hole

Aur\'elien Barrau, Flora Moulin, Julien Grain, Killian Martineau

arxiv:1808.00207 v3 · 2018-08-01 · 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{XCPICVCQL5KPGQUZ5ZMRMO2ELY}

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	2026-07-05T00:01:29.002691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b89e8154505f54f34299ee59163b445e292c6a3aa0298d26dd84715e7c4d69fa

Aliases

arxiv: 1808.00207 · arxiv_version: 1808.00207v3 · doi: 10.48550/arxiv.1808.00207 · pith_short_12: XCPICVCQL5KP · pith_short_16: XCPICVCQL5KPGQUZ · pith_short_8: XCPICVCQ

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/XCPICVCQL5KPGQUZ5ZMRMO2ELY \
  | 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: b89e8154505f54f34299ee59163b445e292c6a3aa0298d26dd84715e7c4d69fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f32307e4c9ae712c22d54052f2e9b1769ed462f8e4df4a741a4cb8dfb14f5bcc",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-08-01T07:43:43Z",
    "title_canon_sha256": "6217d6a3e4a0b078b0e28b53d66708c18759d1193158e17a30f19c9525795a0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00207",
    "kind": "arxiv",
    "version": 3
  }
}