Pith Number

pith:MBVKKV34

pith:2018:MBVKKV34G2537FI3B6HYEJVFEM

not attested not anchored not stored refs pending

Physical and Chemical Conditions of the Protostellar Envelope and the Protoplanetary Disk in HL Tau

Chun-Ju Wu, Hsi-Wei Yen, Naomi Hirano, Shigehisa Takakuwa, Yusuke Aso

arxiv:1810.13081 v1 · 2018-10-31 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MBVKKV34G2537FI3B6HYEJVFEM}

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	2026-05-17T23:58:30.261800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

606aa5577c36bbbf951b0f8f8226a5231028ad68b318ee1989e9078b47122d0e

Aliases

arxiv: 1810.13081 · arxiv_version: 1810.13081v1 · doi: 10.48550/arxiv.1810.13081 · pith_short_12: MBVKKV34G253 · pith_short_16: MBVKKV34G2537FI3 · pith_short_8: MBVKKV34

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/MBVKKV34G2537FI3B6HYEJVFEM \
  | 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: 606aa5577c36bbbf951b0f8f8226a5231028ad68b318ee1989e9078b47122d0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f61b863c0d392270da93825dc6c192d76a19e7d38f44f68bc11e3f94531315b9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-10-31T02:48:47Z",
    "title_canon_sha256": "d5ceafbf4228733d8397d3e304969475bc7a27e738682eb663bd1e42c4bcdb2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.13081",
    "kind": "arxiv",
    "version": 1
  }
}