Pith Number

pith:ZX64O2IP

pith:2017:ZX64O2IPK74KBW4YT3LKFJAK77

not attested not anchored not stored refs pending

A Fast Radio Burst Occurs Every Second throughout the Observable Universe

Abraham Loeb (Harvard University), Anastasia Fialkov

arxiv:1706.06582 v2 · 2017-06-20 · astro-ph.HE

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

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	2026-05-18T00:34:47.705409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdfdc7690f57f8a0db989ed6a2a40afff26e7786d094c5e0849c1b9ec7360e9a

Aliases

arxiv: 1706.06582 · arxiv_version: 1706.06582v2 · doi: 10.48550/arxiv.1706.06582 · pith_short_12: ZX64O2IPK74K · pith_short_16: ZX64O2IPK74KBW4Y · pith_short_8: ZX64O2IP

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/ZX64O2IPK74KBW4YT3LKFJAK77 \
  | 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: cdfdc7690f57f8a0db989ed6a2a40afff26e7786d094c5e0849c1b9ec7360e9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74c2bdecd351a287b149735e1d25da80c9be593bd1cb26f3b2ae355c3f0e477b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-06-20T15:11:17Z",
    "title_canon_sha256": "e2b286d4eea22e967849edad53a79fd80caac09e81de622434103160771c1881"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06582",
    "kind": "arxiv",
    "version": 2
  }
}