Pith Number

pith:HT3CC23N

pith:2026:HT3CC23NSHRMOXU4L757C6B33Q

not attested not anchored not stored refs pending

Spectroscopic Monitoring of Metal Lines in Polluted White Dwarfs

Amy Bonsor, Andrew Swan, \'Erika Le Bourdais, Erik Dennihy, John Debes, Laura K. Rogers, Mariona Badenas-Agusti, Mark C. Wyatt, Michael M. Shara, Omri Nolan, Patrick Dufour, Simon Hodgkin, Siyi Xu, Ted von Hippel, Tim Cunningham

arxiv:2607.00192 v1 · 2026-06-30 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HT3CC23NSHRMOXU4L757C6B33Q}

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	2026-07-02T00:18:38.604326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cf6216b6d91e2c75e9c5ffbf1783bdc3ce6e0a797b2414b3dfd726e4521977a

Aliases

arxiv: 2607.00192 · arxiv_version: 2607.00192v1 · doi: 10.48550/arxiv.2607.00192 · pith_short_12: HT3CC23NSHRM · pith_short_16: HT3CC23NSHRMOXU4 · pith_short_8: HT3CC23N

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/HT3CC23NSHRMOXU4L757C6B33Q \
  | 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: 3cf6216b6d91e2c75e9c5ffbf1783bdc3ce6e0a797b2414b3dfd726e4521977a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88a38a9435f9e5b8837b9806d9cef34e5e6d131cbacd9889eedf9ebd196ab3ba",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-06-30T21:17:40Z",
    "title_canon_sha256": "043d6f399b31667dff4780170cea4f2ea3bf7132379986df09ccf657de288bb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00192",
    "kind": "arxiv",
    "version": 1
  }
}