Pith Number

pith:XCKS2RX4

pith:2023:XCKS2RX4HCICON3GIKDWPAJO3W

not attested not anchored not stored refs pending

Nebular C IV 1550 Imaging of the Metal-Poor Starburst Mrk 71: Direct Evidence of Catastrophic Cooling

Amit N. Sawant, Anne E. Jaskot, Ashkbiz Danehkar, Bethan L. James, Claus Leitherer, Daniela Calzetti, Goeran Oestlin, Jens Melinder, Linda J. Smith, Matthew Hayes, M. S. Oey (U. Michigan), Sergiy Silich, You-Hua Chu

arxiv:2310.13751 v1 · 2023-10-20 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XCKS2RX4HCICON3GIKDWPAJO3W}

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	2026-07-05T08:36:44.033006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8952d46fc3890273766428767812edda4c6f0d8410bb3270677e97512a00aec

Aliases

arxiv: 2310.13751 · arxiv_version: 2310.13751v1 · doi: 10.48550/arxiv.2310.13751 · pith_short_12: XCKS2RX4HCIC · pith_short_16: XCKS2RX4HCICON3G · pith_short_8: XCKS2RX4

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/XCKS2RX4HCICON3GIKDWPAJO3W \
  | 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: b8952d46fc3890273766428767812edda4c6f0d8410bb3270677e97512a00aec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b5b7638e839063125d8368b3717fdf6660b4f57722b19fd5baa651e39729f5e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-10-20T18:25:08Z",
    "title_canon_sha256": "986717d100131f3c0b6bc8b5fb67c9427e1e340ab8e9e73e6100bd82c1fb7043"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.13751",
    "kind": "arxiv",
    "version": 1
  }
}