Pith Number

pith:UK54PVPM

pith:2012:UK54PVPM7CZNI33H3GTGFG4RFW

not attested not anchored not stored refs pending

M87 at metre wavelengths: the LOFAR picture

A. Alexov, A. Asgekar, A. Bonafede, A. Butcher, A. Horneffer, A. Karastergiou, A. Merloni, A. Offringa, A. Polatidis, A. .P. Schoenmakers, A. P. van Duin, A. Shulevski, A. W. Gunst, B. Ciardi, B. Stappers, C. Ferrari, C. Sobey, C. Tasse, C. Vocks, D. D. Mulcahy, D. Rafferty, E. Orru', F. Breitling, F. De Gasperin, G. Bernardi, G. Brunetti, G. Heald, G. Kuper, G. Macario, G. Mann, G. Miley, H. Falcke, H. Gankema, H. Munk, H. Paas, H. Roettgering, I. van Bemmel, J. Anderson, J. Conway, J. Eisloeffel, J. E. van Zwieten, J.H. Croston, J. Hessels, J. Koehler, J. McKean, J. M. Griessmeier, J. Noordam, J. Sluman, J. Swinbank, J. van Leeuwen, J. W. Broderick, K. Chyzy, L. Birzan, M. Avruch, M. Bell, M. Bentum, M. Bruggen, M. Garrett, M. Gerbers, M. Hoeft, M. Kuniyoshi, M. Mevius, M. Murgia, M. Pandey, M. R. Bell, M. Steinmetz, M. Tagger, M. van Haarlem, M. Wise, N. Jackson, O. Smirnov, O. Wucknitz, P. Best, P. Maat, P. Zarka, R. Beck, R. Beswick, R. J. Dettmar, R. J. van Weeren, R. Morganti, R. Nijboer, R. Pizzo, R. Vermeulen, S. Heidenreich, S. van der Tol, S. White, T. E. Hassall, T. Ensslin, V. N. Pandey, W. Frieswijk, W. Reich, W. van Cappellen, W. van Driel, Y. Koopman, Y. Tang

arxiv:1210.1346 v1 · 2012-10-04 · 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{UK54PVPM7CZNI33H3GTGFG4RFW}

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.

Cited by

1 paper in Pith

Constraining the jet base emission of M87* with past and future Event Horizon Telescope observations

Receipt and verification

First computed	2026-05-18T01:54:05.931579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2bbc7d5ecf8b2d46f67d9a6629b912d89f079c69aa25cfcdff5938cfd12a789

Aliases

arxiv: 1210.1346 · arxiv_version: 1210.1346v1 · doi: 10.48550/arxiv.1210.1346 · pith_short_12: UK54PVPM7CZN · pith_short_16: UK54PVPM7CZNI33H · pith_short_8: UK54PVPM

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/UK54PVPM7CZNI33H3GTGFG4RFW \
  | 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: a2bbc7d5ecf8b2d46f67d9a6629b912d89f079c69aa25cfcdff5938cfd12a789

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c24246777bd61bbc1c41394358a973b1b54254e26fa2453788dee3ccb9a4c14",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-10-04T09:18:29Z",
    "title_canon_sha256": "c8a854625f1f48f720a82769beabf9311b512e159fa50ff93bb78c792b243d17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1346",
    "kind": "arxiv",
    "version": 1
  }
}