Pith Number

pith:JL3HWVZR

pith:2014:JL3HWVZRRMLDC5IEWFHCE4UBCE

not attested not anchored not stored refs pending

Musings on Firewalls and the Information Paradox

Michael Devin

arxiv:1401.0588 v2 · 2014-01-03 · 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{JL3HWVZRRMLDC5IEWFHCE4UBCE}

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	2026-05-18T02:56:32.126587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4af67b57318b16317504b14e22728111191333d9c528c94760a95843a93e4019

Aliases

arxiv: 1401.0588 · arxiv_version: 1401.0588v2 · doi: 10.48550/arxiv.1401.0588 · pith_short_12: JL3HWVZRRMLD · pith_short_16: JL3HWVZRRMLDC5IE · pith_short_8: JL3HWVZR

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/JL3HWVZRRMLDC5IEWFHCE4UBCE \
  | 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: 4af67b57318b16317504b14e22728111191333d9c528c94760a95843a93e4019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96b619f7610de0fa8fc5d7628f909d5e61cf10e83e728eead74850caccf01a68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-01-03T05:49:54Z",
    "title_canon_sha256": "c8a8ed739a31b731acbd566e7cf524f178ce1c98d83a91815e5add11ca099496"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0588",
    "kind": "arxiv",
    "version": 2
  }
}