Pith Number

pith:K52ERYZE

pith:2011:K52ERYZEMP3K2CU336XANX3GST

not attested not anchored not stored refs pending

Light Loop Echoes and Blinking Black Holes

Latham Boyle (CITA, Matthew Russo (CITA), Perimeter)

arxiv:1110.2789 v1 · 2011-10-12 · astro-ph.HE · astro-ph.CO · 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{K52ERYZEMP3K2CU336XANX3GST}

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	2026-05-18T04:11:06.961527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

577448e32463f6ad0a9bdfae06df6694cef74a653471330450f09504e66af92c

Aliases

arxiv: 1110.2789 · arxiv_version: 1110.2789v1 · doi: 10.48550/arxiv.1110.2789 · pith_short_12: K52ERYZEMP3K · pith_short_16: K52ERYZEMP3K2CU3 · pith_short_8: K52ERYZE

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/K52ERYZEMP3K2CU336XANX3GST \
  | 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: 577448e32463f6ad0a9bdfae06df6694cef74a653471330450f09504e66af92c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30fc3fb47922401ced0e7cca8b17aab1def0174cd8eeaf46042e92ac4e88d287",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-10-12T20:01:41Z",
    "title_canon_sha256": "fedd0adcc306c3ee7fb92c1cb629f183e63be46d5d2cdfb1ed43efb56fd167c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2789",
    "kind": "arxiv",
    "version": 1
  }
}