Pith Number

pith:XOPC25T5

pith:2018:XOPC25T53JMNN2VNU2Z5JBWU7R

not attested not anchored not stored refs pending

Unveiling the physical conditions of the youngest disks: A warm embedded disk in L1527

Daniel Harsono (Leiden), Ewine F. van Dishoeck (Leiden, John J. Tobin (Leiden, Merel L.R. van 't Hoff (Leiden), MPE Garching), Oklahoma)

arxiv:1803.04515 v1 · 2018-03-12 · 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{XOPC25T53JMNN2VNU2Z5JBWU7R}

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	2026-05-18T00:09:53.768725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb9e2d767dda58d6eaada6b3d486d4fc59e79f022d937911d7d8b2ef79b34a16

Aliases

arxiv: 1803.04515 · arxiv_version: 1803.04515v1 · doi: 10.48550/arxiv.1803.04515 · pith_short_12: XOPC25T53JMN · pith_short_16: XOPC25T53JMNN2VN · pith_short_8: XOPC25T5

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/XOPC25T53JMNN2VNU2Z5JBWU7R \
  | 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: bb9e2d767dda58d6eaada6b3d486d4fc59e79f022d937911d7d8b2ef79b34a16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6a9b6c4574afdfdade4c56da960c522ca8fbdbd1f920c36e701bcb2661da815",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-03-12T20:32:15Z",
    "title_canon_sha256": "5d0612cc770e9fedee1e688e94df8ccc5eb2f1c4482053d89b444b4210fe6c19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04515",
    "kind": "arxiv",
    "version": 1
  }
}