Pith Number

pith:2AUXW7Y3

pith:2023:2AUXW7Y35CWKB52XP3DN467NVK

not attested not anchored not stored refs pending

OJ~287: a new BH mass estimate of the secondary

Chris Shrader (GSFC/NASA, Elena Seifina (GAISH, Greenbelt, Italy), Lev Titarchuk (University of Ferrara, MGU, Russia), USA), USRA

arxiv:2302.06068 v1 · 2023-02-13 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2AUXW7Y35CWKB52XP3DN467NVK}

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	2026-07-05T05:55:50.360967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0297b7f1be8aca0f7577ec6de7bedaabf2edc18c7920b01cf5712a0ca620e2c

Aliases

arxiv: 2302.06068 · arxiv_version: 2302.06068v1 · doi: 10.48550/arxiv.2302.06068 · pith_short_12: 2AUXW7Y35CWK · pith_short_16: 2AUXW7Y35CWKB52X · pith_short_8: 2AUXW7Y3

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/2AUXW7Y35CWKB52XP3DN467NVK \
  | 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: d0297b7f1be8aca0f7577ec6de7bedaabf2edc18c7920b01cf5712a0ca620e2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ba58eafd01273dcd9bb9be1f7ca2959658d2dcbc5555d96a1566e76d55283a4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-02-13T03:02:18Z",
    "title_canon_sha256": "5c8d685ff0dc6c08986f33375995247de18fa06a51df1721e4b019ed9472f885"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.06068",
    "kind": "arxiv",
    "version": 1
  }
}