Pith Number

pith:U5IIB3HM

pith:2022:U5IIB3HMVGPKETCA7IMEVVVURL

not attested not anchored not stored refs pending

Long Term X-Ray Spectral Variation of the Wolf-Rayet Binary WR 102-1 in the Galactic bulge: evidence for wind distortion in the binary

Ken Ebisawa, Tomoki Nagatsuka, Yasuharu Sugawara

arxiv:2204.09349 v1 · 2022-04-20 · astro-ph.HE · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5IIB3HMVGPKETCA7IMEVVVURL}

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	2026-07-05T04:45:19.845291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a75080ececa99ea24c40fa184ad6b48aff2631f112dc269aaf44ece82b84ba7e

Aliases

arxiv: 2204.09349 · arxiv_version: 2204.09349v1 · doi: 10.48550/arxiv.2204.09349 · pith_short_12: U5IIB3HMVGPK · pith_short_16: U5IIB3HMVGPKETCA · pith_short_8: U5IIB3HM

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/U5IIB3HMVGPKETCA7IMEVVVURL \
  | 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: a75080ececa99ea24c40fa184ad6b48aff2631f112dc269aaf44ece82b84ba7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "533420b997b090acebbe2b7590c405dc1aef4e7fd329c026fb06912072cfe639",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-04-20T09:51:27Z",
    "title_canon_sha256": "e0cd848ff66a1f13bd2033f74e41f988c0ca6c1a53d1bac4f83e4c515f4be18b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.09349",
    "kind": "arxiv",
    "version": 1
  }
}