Pith Number

pith:EPRL4XOQ

pith:2017:EPRL4XOQSOXMVQSWJQOCJB6V5J

not attested not anchored not stored refs pending

No tension between assembly models of supermassive black hole binaries and pulsar observations

Alberto Sesana, Alberto Vecchio, Hannah Middleton, Siyuan Chen, Walter Del Pozzo

arxiv:1707.00623 v2 · 2017-07-03 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPRL4XOQSOXMVQSWJQOCJB6V5J}

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	2026-05-18T00:16:31.914463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23e2be5dd093aecac2564c1c2487d5ea403b92e74246e0fa5878500d4d2c62be

Aliases

arxiv: 1707.00623 · arxiv_version: 1707.00623v2 · doi: 10.48550/arxiv.1707.00623 · pith_short_12: EPRL4XOQSOXM · pith_short_16: EPRL4XOQSOXMVQSW · pith_short_8: EPRL4XOQ

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/EPRL4XOQSOXMVQSWJQOCJB6V5J \
  | 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: 23e2be5dd093aecac2564c1c2487d5ea403b92e74246e0fa5878500d4d2c62be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8776e2f975208e3f800d1ed747f9e15637b71b80a8fbe62d7d5373f80256768f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-07-03T16:09:52Z",
    "title_canon_sha256": "7fafb0d2d9897b6756f1d10f6747691745b4f913b290a207db40c44259faf4a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00623",
    "kind": "arxiv",
    "version": 2
  }
}