Pith Number

pith:HOIQ6EQE

pith:2022:HOIQ6EQEFLSUTUQREZ3V5WPEHW

not attested not anchored not stored refs pending

Multi-epoch variability of AT 2000ch (SN 2000ch) in NGC 3432 -- A radio continuum and optical study

Ancla M\"uller, Bj\"orn Adebahr, Dominik J. Bomans, Kerstin Weis, Lukas Dirks, Michael Stein, Ralf-J\"urgen Dettmar, Vanessa Frohn

arxiv:2211.15706 v1 · 2022-11-28 · astro-ph.SR · astro-ph.GA · 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{HOIQ6EQEFLSUTUQREZ3V5WPEHW}

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	2026-07-05T05:44:05.389017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b910f12042ae549d21126775ed9e43db13a61eb0125621b101492117ed78440

Aliases

arxiv: 2211.15706 · arxiv_version: 2211.15706v1 · doi: 10.48550/arxiv.2211.15706 · pith_short_12: HOIQ6EQEFLSU · pith_short_16: HOIQ6EQEFLSUTUQR · pith_short_8: HOIQ6EQE

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/HOIQ6EQEFLSUTUQREZ3V5WPEHW \
  | 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: 3b910f12042ae549d21126775ed9e43db13a61eb0125621b101492117ed78440

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e745cd76ef4e1d91def2b3c585b5430d7d882a90d4ca7e9057b10f609ca29a4",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-11-28T19:00:08Z",
    "title_canon_sha256": "4e1ce533b994641a4a308d04a432c4c44400a23f98f4d47dd521012668d48266"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.15706",
    "kind": "arxiv",
    "version": 1
  }
}