Pith Number

pith:VG5RR23L

pith:2016:VG5RR23LO4K6OWVTD4VESVV52Y

not attested not anchored not stored refs pending

Gas Gaps in the Protoplanetary Disk around the Young Protostar HL Tau

Chin-Fei Lee, Evaria Puspitaningrum, Hauyu Baobab Liu, Hsi-Wei Yen, Naomi Hirano, Pin-Gao Gu, Shigehisa Takakuwa

arxiv:1603.01378 v1 · 2016-03-04 · astro-ph.EP · 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{VG5RR23LO4K6OWVTD4VESVV52Y}

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	2026-05-18T01:17:41.087165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9bb18eb6b7715e75ab31f2a4956bdd60ccecaf16985716dea5d578ef3f97572

Aliases

arxiv: 1603.01378 · arxiv_version: 1603.01378v1 · doi: 10.48550/arxiv.1603.01378 · pith_short_12: VG5RR23LO4K6 · pith_short_16: VG5RR23LO4K6OWVT · pith_short_8: VG5RR23L

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/VG5RR23LO4K6OWVTD4VESVV52Y \
  | 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: a9bb18eb6b7715e75ab31f2a4956bdd60ccecaf16985716dea5d578ef3f97572

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f918d9660938a4672ed89a48537e629779a69012b274eedfb09705535b7c18e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-03-04T08:45:30Z",
    "title_canon_sha256": "34e9a7830467e2d5289eb9ec55081a30a2597a97b861c2311be9e0d49caf6f7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.01378",
    "kind": "arxiv",
    "version": 1
  }
}