Pith Number

pith:4C3ZNC56

pith:2017:4C3ZNC56CNGDYDLKXY6FROUIPC

not attested not anchored not stored refs pending

CTIO, ROSAT HRI and Chandra ACIS Observations of the Archetypical Mixed-Morphology Supernova Remnant W28 (G6.4-0.1)

Alekzander R. Kosakowski, Blagoy Rangelov, Jeonghee Rho, Jeremy Hare, Jonathan W. Keohane, Oleg Kargaltsev, P. Frank Winkler, Sonny Ernst, Thomas G. Pannuti

arxiv:1703.08141 v1 · 2017-03-23 · 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{4C3ZNC56CNGDYDLKXY6FROUIPC}

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	2026-05-18T00:45:41.160928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0b7968bbe134c3c0d6abe3c58ba8878bc64bb65862d44eadab8e621ebe4eed9

Aliases

arxiv: 1703.08141 · arxiv_version: 1703.08141v1 · doi: 10.48550/arxiv.1703.08141 · pith_short_12: 4C3ZNC56CNGD · pith_short_16: 4C3ZNC56CNGDYDLK · pith_short_8: 4C3ZNC56

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/4C3ZNC56CNGDYDLKXY6FROUIPC \
  | 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: e0b7968bbe134c3c0d6abe3c58ba8878bc64bb65862d44eadab8e621ebe4eed9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d587242d338a08e92dbca59926c39f1c588d83e6ab9ede6c397d4783d142235",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-03-23T16:57:56Z",
    "title_canon_sha256": "da813ba5d5df9183bdcc31af8d4500e251a7c97acd378b6c660fdf48940fbbc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08141",
    "kind": "arxiv",
    "version": 1
  }
}