Pith Number

pith:6XBNVIFI

pith:2026:6XBNVIFIVTIVBT6AQKGSDJLKXR

not attested not anchored not stored refs pending

EWOCS-V: Is Wd1-72 a recent post-interaction WR+O binary?

A. A. C. Sander, A. Bayo, B. Reville, B. W. Ritchie, C. J. K. Larkin, E. K. Grebel, E. Sabbi, F. Najarro, H. Jin, J. J. Drake, J. Mackey, K. Anastasopoulou, M. Andersen, M. G. Guarcello, R. R. Lefever, T. J. Haworth, V. M. Kalari

arxiv:2601.21788 v2 · 2026-01-29 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6XBNVIFIVTIVBT6AQKGSDJLKXR}

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	2026-06-03T14:05:21.813959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5c2daa0a8acd150cfc0828d21a56abc534c028a7a2a862382efc6192f3488c1

Aliases

arxiv: 2601.21788 · arxiv_version: 2601.21788v2 · doi: 10.48550/arxiv.2601.21788 · pith_short_12: 6XBNVIFIVTIV · pith_short_16: 6XBNVIFIVTIVBT6A · pith_short_8: 6XBNVIFI

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/6XBNVIFIVTIVBT6AQKGSDJLKXR \
  | 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: f5c2daa0a8acd150cfc0828d21a56abc534c028a7a2a862382efc6192f3488c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1077a20e1d68d605f225e918ab6bbf17a3d7c0d3f8385a7dd12ab8dc69738fc5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-01-29T14:35:24Z",
    "title_canon_sha256": "e3f4c8250ecbccad55b761fc4474d5066738cffac0eb1cb9093eb13b094edb4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.21788",
    "kind": "arxiv",
    "version": 2
  }
}