Pith Number

pith:4GTAOMTC

pith:2018:4GTAOMTC52RAFBLKQ72QSCUOSV

not attested not anchored not stored refs pending

Merging black hole binaries with the SEVN code

Alessandro Alberto Trani, Alessandro Bressan, Guglielmo Costa, Mario Spera, Michela Mapelli, Nicola Giacobbo

arxiv:1809.04605 v2 · 2018-09-12 · astro-ph.HE · astro-ph.IM · astro-ph.SR

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.

Cited by

2 papers in Pith

Probing the origin of the kilonova candidate GRB 230307A: analysis of host galaxy and offset

GW231123: a Binary Black Hole Merger with Total Mass 190-265 $M_{\odot}$

Receipt and verification

First computed	2026-05-17T23:48:50.769959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1a6073262eea202856a87f5090a8e95475bbb0f97a1f5e2743b56c64d5ebae5

Aliases

arxiv: 1809.04605 · arxiv_version: 1809.04605v2 · doi: 10.48550/arxiv.1809.04605 · pith_short_12: 4GTAOMTC52RA · pith_short_16: 4GTAOMTC52RAFBLK · pith_short_8: 4GTAOMTC

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/4GTAOMTC52RAFBLKQ72QSCUOSV \
  | 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: e1a6073262eea202856a87f5090a8e95475bbb0f97a1f5e2743b56c64d5ebae5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a643ba4d0dc9926099eb7d746db99dff0ad63f60d585e33d31f4af12eda7e78",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-09-12T18:00:04Z",
    "title_canon_sha256": "2cb9b38b539ca98d452cde8714625045918598241fa2a661aba2fac96a00e240"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04605",
    "kind": "arxiv",
    "version": 2
  }
}