Pith Number

pith:73YKK5XY

pith:2020:73YKK5XYMBA2FOWS7L234NJZ3H

not attested not anchored not stored refs pending

Clumpy wind accretion in Cygnus X-1

Agnieszka Janiuk, Bozena Czerny, Ishika Palit

arxiv:2009.09121 v1 · 2020-09-18 · 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{73YKK5XYMBA2FOWS7L234NJZ3H}

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	2026-07-05T01:52:47.865928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fef0a576f86041a2bad2faf5be3539d9c64bbc73a50efd440856c4de16241aef

Aliases

arxiv: 2009.09121 · arxiv_version: 2009.09121v1 · doi: 10.48550/arxiv.2009.09121 · pith_short_12: 73YKK5XYMBA2 · pith_short_16: 73YKK5XYMBA2FOWS · pith_short_8: 73YKK5XY

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/73YKK5XYMBA2FOWS7L234NJZ3H \
  | 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: fef0a576f86041a2bad2faf5be3539d9c64bbc73a50efd440856c4de16241aef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c80d8d026c4021650386f6e887976aac54cd2fc44bec75ec69626d0de020e94f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-09-18T23:56:16Z",
    "title_canon_sha256": "39a3c72de2676882dbce22780207aeb4b9c1519d717370c04c76dfe49c250aaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.09121",
    "kind": "arxiv",
    "version": 1
  }
}