Pith Number

pith:KGPCFECZ

pith:2016:KGPCFECZPCMGDPPMPDBMQ2FK7P

not attested not anchored not stored refs pending

A Joint Chandra and Swift View of the 2015 X-Ray Dust Scattering Echo of V404 Cygni

J. Neilsen, L. Corrales, P.G. Jonker, R.M. Plotkin, R. Smith, S. Heinz, W.N. Brandt

arxiv:1605.01648 v1 · 2016-05-05 · 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{KGPCFECZPCMGDPPMPDBMQ2FK7P}

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	2026-05-18T01:11:30.740457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

519e229059789861bdec78c2c868aafbeda460bbfe061762880b319c0d9c06bd

Aliases

arxiv: 1605.01648 · arxiv_version: 1605.01648v1 · doi: 10.48550/arxiv.1605.01648 · pith_short_12: KGPCFECZPCMG · pith_short_16: KGPCFECZPCMGDPPM · pith_short_8: KGPCFECZ

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/KGPCFECZPCMGDPPMPDBMQ2FK7P \
  | 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: 519e229059789861bdec78c2c868aafbeda460bbfe061762880b319c0d9c06bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e246ba2a82dae360686f40b25b5d8d5b28ca2247a64b6dce1a887b5340459dbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-05-05T16:47:49Z",
    "title_canon_sha256": "dc070b4616f355c4ac0ca33abe02690d79265b4d699400423ae1ec6ed3446dd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01648",
    "kind": "arxiv",
    "version": 1
  }
}