Pith Number

pith:EO4PQ6HZ

pith:2015:EO4PQ6HZGL5LLUNLBIW5MHWK5A

not attested not anchored not stored refs pending

Free fall onto evaporating black holes at the quantum limit

Maurice H.P.M. van Putten

arxiv:1506.08075 v2 · 2015-06-25 · 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{EO4PQ6HZGL5LLUNLBIW5MHWK5A}

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	2026-05-18T01:27:15.064481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23b8f878f932fab5d1ab0a2dd61ecae82b4ab5ce5f34ca65f95015caf123e683

Aliases

arxiv: 1506.08075 · arxiv_version: 1506.08075v2 · doi: 10.48550/arxiv.1506.08075 · pith_short_12: EO4PQ6HZGL5L · pith_short_16: EO4PQ6HZGL5LLUNL · pith_short_8: EO4PQ6HZ

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/EO4PQ6HZGL5LLUNLBIW5MHWK5A \
  | 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: 23b8f878f932fab5d1ab0a2dd61ecae82b4ab5ce5f34ca65f95015caf123e683

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21a2ea78535db3a16f3c081278325841406a881efdf2633c0870174de289f398",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-06-25T06:21:07Z",
    "title_canon_sha256": "600ac0b3aa445225672655d4e7cd42962ff3deafa29c97a7cbdb371708d85e74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08075",
    "kind": "arxiv",
    "version": 2
  }
}