Pith Number

pith:3WS3A5GO

pith:2023:3WS3A5GO2YFRFP43PVRXXDH2HL

not attested not anchored not stored refs pending

The Arches cluster revisited: IV. Observational constraints on the binary properties of very massive stars

B. W. Ritchie, F. Najarro, J. S. Clark, L. R. Patrick, M. E. Lohr

arxiv:2302.04008 v1 · 2023-02-08 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WS3A5GO2YFRFP43PVRXXDH2HL}

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	2026-07-05T05:44:15.130746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dda5b074ced60b12bf9b7d637b8cfa3ac165b82fe367325b13badc05e6fe2a47

Aliases

arxiv: 2302.04008 · arxiv_version: 2302.04008v1 · doi: 10.48550/arxiv.2302.04008 · pith_short_12: 3WS3A5GO2YFR · pith_short_16: 3WS3A5GO2YFRFP43 · pith_short_8: 3WS3A5GO

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/3WS3A5GO2YFRFP43PVRXXDH2HL \
  | 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: dda5b074ced60b12bf9b7d637b8cfa3ac165b82fe367325b13badc05e6fe2a47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf82b316b1a3e2f20f069df6ac7ff6c014feb41af155b08851f5873ff0fc73a1",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-02-08T11:48:54Z",
    "title_canon_sha256": "bfea33cb47ff7ebcd9f31a0b3301f96fddfbc38672cb7dfb374e433f1cebd64f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.04008",
    "kind": "arxiv",
    "version": 1
  }
}