Pith Number

pith:U2MKB4JO

pith:2018:U2MKB4JOUWFELEGW3C4FGBELOW

not attested not anchored not stored refs pending

High-Velocity Bullets from V Hydrae, an AGB Star in Transition: Ejection History and Spatio-Kinematic Modeling

Mark Morris, Raghvendra Sahai, Samantha Scibelli

arxiv:1811.09277 v1 · 2018-11-22 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U2MKB4JOUWFELEGW3C4FGBELOW}

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	2026-05-17T23:55:53.875438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a698a0f12ea58a4590d6d8b853048b759d58e457db64ad16f5429b94ce5026c5

Aliases

arxiv: 1811.09277 · arxiv_version: 1811.09277v1 · doi: 10.48550/arxiv.1811.09277 · pith_short_12: U2MKB4JOUWFE · pith_short_16: U2MKB4JOUWFELEGW · pith_short_8: U2MKB4JO

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/U2MKB4JOUWFELEGW3C4FGBELOW \
  | 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: a698a0f12ea58a4590d6d8b853048b759d58e457db64ad16f5429b94ce5026c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b37a14d5c2b2c1b79f844dfc37c4d090f05d2e5e972981be58bfe36b861b9daa",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-22T19:00:02Z",
    "title_canon_sha256": "43487e2d8036d80ba906749ab295699385a7656ca93cd9689b7626e54c4bbbbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09277",
    "kind": "arxiv",
    "version": 1
  }
}