Pith Number

pith:E6M2YKPM

pith:2025:E6M2YKPMLXIL4EM4EV544IPJBN

not attested not anchored not stored refs pending

An e-MERLIN & EVN radio counterpart to the ultraluminous X-ray source M82 X-1

Astronomy, D. Williams-Baldwin (1), G. Lucatelli (1), M13 9PL, Manchester, R. J. Beswick (1) ((1) Jodrell Bank Centre for Astrophysics, School of Physics, The University of Manchester, T. W. B. Muxlow (1), UK)

arxiv:2504.18217 v1 · 2025-04-25 · astro-ph.HE · 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{E6M2YKPMLXIL4EM4EV544IPJBN}

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	2026-07-05T10:54:03.947228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2799ac29ec5dd0be119c257bce21e90b589fc34503d20b3570510caaea99c58e

Aliases

arxiv: 2504.18217 · arxiv_version: 2504.18217v1 · doi: 10.48550/arxiv.2504.18217 · pith_short_12: E6M2YKPMLXIL · pith_short_16: E6M2YKPMLXIL4EM4 · pith_short_8: E6M2YKPM

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/E6M2YKPMLXIL4EM4EV544IPJBN \
  | 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: 2799ac29ec5dd0be119c257bce21e90b589fc34503d20b3570510caaea99c58e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2c9ad25cd07436be56d29f63fbf9a0b01fb69b026534e80865e5dace6197045",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-04-25T09:58:33Z",
    "title_canon_sha256": "af5de136a9c2b5005efa8c65d524e16892a52eb5d647998b2a9f1d9f083cb952"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.18217",
    "kind": "arxiv",
    "version": 1
  }
}