Pith Number

pith:QZMMQR37

pith:2019:QZMMQR373WKTTTLJO4WKYJNWAY

not attested not anchored not stored refs pending

A rapidly-changing jet orientation in the stellar-mass black hole V404 Cygni

1, 10), (10) NSF, (11) Wheaton College, (12) U Amsterdam, 13), (13) GRAPPA Institute, (14) ESA, 15), (15) U Barcelona, 16, (16) NRAO, 17), (17) Caltech, (18) NRC Herzberg, (19) NYU Abu Dhabi, (20) U Virginia, (21) CAS, 22), (22) Sydney U, (23) Inst. Space Sciences), (2) U Alberta, 3), (3) EAO, (4) U Southampton, (5) INAF, (6) U Oxford, (7) SRON, 8), (8) Radboud U, (9) USRA, Alexandra J. Tetarenko (2, Craig L. Sarazin (20), David M. Russell (19), Diego Altamirano (4), Dipankar Maitra (11), Elmar G. K\"ording (8), Gemma E. Anderson (1), Gregory R. Sivakoff (2), Hans A. Krimm (9, James C.A. Miller-Jones (1), Kunal P. Mooley (6, Matthew J. Middleton (4), Michael P. Rupen (18), Nijmegen, Peter G. Jonker (7, Roberto Soria (21, Rob P. Fender (6), Sera Markoff (12, Simone Migliari (14, Thomas D. Russell (12), Tomaso M. Belloni (5), Valeriu Tudose (23) ((1) Curtin U

arxiv:1906.05400 v1 · 2019-06-12 · 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{QZMMQR373WKTTTLJO4WKYJNWAY}

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	2026-05-17T23:43:25.398975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8658c8477fdd9539cd69772cac25b60634ec309e155175eef2103c23a8688e54

Aliases

arxiv: 1906.05400 · arxiv_version: 1906.05400v1 · doi: 10.48550/arxiv.1906.05400 · pith_short_12: QZMMQR373WKT · pith_short_16: QZMMQR373WKTTTLJ · pith_short_8: QZMMQR37

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/QZMMQR373WKTTTLJO4WKYJNWAY \
  | 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: 8658c8477fdd9539cd69772cac25b60634ec309e155175eef2103c23a8688e54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9ffead5fd5350a523d33432357ab8808e8af5595ca0c85678d690fbd9ede536",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-06-12T22:03:23Z",
    "title_canon_sha256": "0daf9b250e4d391d1d9cf78d05d1a9e07b9077fc4bbfb09273693b8fa73bae6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05400",
    "kind": "arxiv",
    "version": 1
  }
}