Pith Number

pith:DOAVET2O

pith:2020:DOAVET2OQXIXLX4UIWP5YS5SFV

not attested not anchored not stored refs pending

The obscured X-ray binaries V404 Cyg, Cyg X-3, V4641 Sgr, and GRS 1915+105

John A. Tomsick, Karri I. I. Koljonen

arxiv:2004.08536 v3 · 2020-04-18 · 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{DOAVET2OQXIXLX4UIWP5YS5SFV}

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

A bright flare in the obscured state of GRS 1915+105 as seen by NICER and Swift

Receipt and verification

First computed	2026-07-05T01:16:49.073349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b81524f4e85d175df94459fdc4bb22d665fb71722711716365528acfbcb07e2

Aliases

arxiv: 2004.08536 · arxiv_version: 2004.08536v3 · doi: 10.48550/arxiv.2004.08536 · pith_short_12: DOAVET2OQXIX · pith_short_16: DOAVET2OQXIXLX4U · pith_short_8: DOAVET2O

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/DOAVET2OQXIXLX4UIWP5YS5SFV \
  | 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: 1b81524f4e85d175df94459fdc4bb22d665fb71722711716365528acfbcb07e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2eb7f81bc44c38145a9c701e0562fdee1320066c02ad2f9f9edf560271373ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-04-18T06:24:51Z",
    "title_canon_sha256": "dbac5c162216ca4c5c806321f10e6b228847ebd911c69c0d4f6cb29d6eca7fe6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.08536",
    "kind": "arxiv",
    "version": 3
  }
}