Pith Number

pith:Z35H4HEM

pith:2015:Z35H4HEMPMIL56GEUNJCVR2IF6

not attested not anchored not stored refs pending

Where are all of the nebulae ionized by supersoft X-ray sources?

M. Gilfanov, T. E. Woods

arxiv:1510.05768 v1 · 2015-10-20 · 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{Z35H4HEMPMIL56GEUNJCVR2IF6}

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	2026-05-18T01:29:39.732872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cefa7e1c8c7b10bef8c4a3522ac7482f8a059e7cf4b6f21d2a4af12d9a4066f9

Aliases

arxiv: 1510.05768 · arxiv_version: 1510.05768v1 · doi: 10.48550/arxiv.1510.05768 · pith_short_12: Z35H4HEMPMIL · pith_short_16: Z35H4HEMPMIL56GE · pith_short_8: Z35H4HEM

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/Z35H4HEMPMIL56GEUNJCVR2IF6 \
  | 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: cefa7e1c8c7b10bef8c4a3522ac7482f8a059e7cf4b6f21d2a4af12d9a4066f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23503c725c4cd09c95eb677b317639588b9b6ffbef1fa4ab2881db08ee3aaf26",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-10-20T06:49:07Z",
    "title_canon_sha256": "bf301cb5fde0d742ffd42a13b69b413464b691c156958e66b53c23b3fdafa30d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05768",
    "kind": "arxiv",
    "version": 1
  }
}