Pith Number

pith:T2TP4MWP

pith:2024:T2TP4MWPPBKDVNZQI7ASGDHSSO

not attested not anchored not stored refs pending

Resolved ALMA observations of water in the inner astronomical units of the HL Tau disk

Alain Baudry, Andrea Isella, Anita M. S. Richards, Elizabeth Humphreys, Leonardo Testi, Malcom D. Gray, Mathieu Vander Donckt, Ramon Wrzosek, Stefano Facchini, Wouter Vlemmings

arxiv:2403.00647 v2 · 2024-03-01 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T2TP4MWPPBKDVNZQI7ASGDHSSO}

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	2026-07-05T08:52:29.935171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ea6fe32cf78543ab73047c1230cf293bb0e34db53e65ece3b1be2b33be9fa05

Aliases

arxiv: 2403.00647 · arxiv_version: 2403.00647v2 · doi: 10.48550/arxiv.2403.00647 · pith_short_12: T2TP4MWPPBKD · pith_short_16: T2TP4MWPPBKDVNZQ · pith_short_8: T2TP4MWP

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/T2TP4MWPPBKDVNZQI7ASGDHSSO \
  | 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: 9ea6fe32cf78543ab73047c1230cf293bb0e34db53e65ece3b1be2b33be9fa05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83d85b7711e5f6e4980c21e23d6b6d04b09ef6fb94fad1492a5013232da3b91f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2024-03-01T16:26:49Z",
    "title_canon_sha256": "25c59a16f29d4614254958095d82b0db96ece4b10b8e1b508e1083f4d7a11b30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.00647",
    "kind": "arxiv",
    "version": 2
  }
}