Pith Number

pith:JL63EV77

pith:2017:JL63EV77WWUYRR3G6ZY6CS2IRX

not attested not anchored not stored refs pending

Hydrodynamical models of cometary HII regions

Harrison Steggles, Julian Pittard, Melvin Hoare

arxiv:1703.05379 v1 · 2017-03-15 · astro-ph.GA · 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{JL63EV77WWUYRR3G6ZY6CS2IRX}

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	2026-05-18T00:48:34.443403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4afdb257ffb5a988c766f671e14b488dd075e75a8065356ba420a2e56cd0ebe9

Aliases

arxiv: 1703.05379 · arxiv_version: 1703.05379v1 · doi: 10.48550/arxiv.1703.05379 · pith_short_12: JL63EV77WWUY · pith_short_16: JL63EV77WWUYRR3G · pith_short_8: JL63EV77

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/JL63EV77WWUYRR3G6ZY6CS2IRX \
  | 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: 4afdb257ffb5a988c766f671e14b488dd075e75a8065356ba420a2e56cd0ebe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96d7a60268cbfe614446e825e75b91dd84a284d773ca40c4a489f8e8e76a8116",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-03-15T20:44:12Z",
    "title_canon_sha256": "cff5b2e0af184f48ca54b8ca5620b6dda4b0652bb1b11e597c88971e4f3fa443"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05379",
    "kind": "arxiv",
    "version": 1
  }
}