Pith Number

pith:4HGKPQIW

pith:2019:4HGKPQIWWI62VD725WSNEMUOQR

not attested not anchored not stored refs pending

A spatio-kinematic model for jets in post-AGB stars

Devika Kamath, Dylan Bollen, Hans Van Winckel, Orsola De Marco

arxiv:1909.08867 v2 · 2019-09-19 · 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{4HGKPQIWWI62VD725WSNEMUOQR}

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	2026-07-05T00:14:15.890836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1cca7c116b23daa8ffaeda4d2328e844383ab025622821578255e52818024b3

Aliases

arxiv: 1909.08867 · arxiv_version: 1909.08867v2 · doi: 10.48550/arxiv.1909.08867 · pith_short_12: 4HGKPQIWWI62 · pith_short_16: 4HGKPQIWWI62VD72 · pith_short_8: 4HGKPQIW

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/4HGKPQIWWI62VD725WSNEMUOQR \
  | 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: e1cca7c116b23daa8ffaeda4d2328e844383ab025622821578255e52818024b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c6c1397ad5a7a298e4ceeeb2693fe781b855c3cf52c598be7d0b1f6bbf00f8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-09-19T09:00:19Z",
    "title_canon_sha256": "fb2061ac507ae256d9f9df345be8b2f43288d03f042282fa9fdc40a8e162fb64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.08867",
    "kind": "arxiv",
    "version": 2
  }
}