Pith Number

pith:K6MQIRWZ

pith:2023:K6MQIRWZDU6FDF7ZZWMDUEYPYK

not attested not anchored not stored refs pending

Post-red-giant-branch Planetary Nebulae

David Jones, Nicole Reindl, Todd Hillwig

arxiv:2304.06355 v1 · 2023-04-13 · 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{K6MQIRWZDU6FDF7ZZWMDUEYPYK}

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.

Cited by

1 paper in Pith

Studying hot evolved stars with ultraviolet spectroscopy

Receipt and verification

First computed	2026-07-05T06:00:42.524201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57990446d91d3c5197f9cd983a130fc29b4e495d5be5b5c6f161ddd4ccfbedff

Aliases

arxiv: 2304.06355 · arxiv_version: 2304.06355v1 · doi: 10.48550/arxiv.2304.06355 · pith_short_12: K6MQIRWZDU6F · pith_short_16: K6MQIRWZDU6FDF7Z · pith_short_8: K6MQIRWZ

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/K6MQIRWZDU6FDF7ZZWMDUEYPYK \
  | 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: 57990446d91d3c5197f9cd983a130fc29b4e495d5be5b5c6f161ddd4ccfbedff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59553bc460749cb06c09ff5555cfb78a642829ff3863f873d1db9e6d68baf725",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-04-13T09:20:39Z",
    "title_canon_sha256": "d3f13da18fd055d5884e7b9dfef03b0fa9f90fd76ad720e1eb87010d50c7ac26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.06355",
    "kind": "arxiv",
    "version": 1
  }
}