Pith Number

pith:4LFPIUXU

pith:2016:4LFPIUXUKCXIPPDJMOJRRGULSP

not attested not anchored not stored refs pending

ALMA Observations of Circumstellar Disks in the Upper Scorpius OB Association

Andrea Isella, John M. Carpenter, Luca Ricci, Scott A. Barenfeld

arxiv:1605.05772 v2 · 2016-05-18 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LFPIUXUKCXIPPDJMOJRRGULSP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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.

Cited by

1 paper in Pith

The Accretion Process on Protostars

Receipt and verification

First computed	2026-05-18T01:07:16.403154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2caf452f450ae87bc696393189a8b93cf8722489a2702e9207c39e15e0c99d2

Aliases

arxiv: 1605.05772 · arxiv_version: 1605.05772v2 · doi: 10.48550/arxiv.1605.05772 · pith_short_12: 4LFPIUXUKCXI · pith_short_16: 4LFPIUXUKCXIPPDJ · pith_short_8: 4LFPIUXU

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/4LFPIUXUKCXIPPDJMOJRRGULSP \
  | 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: e2caf452f450ae87bc696393189a8b93cf8722489a2702e9207c39e15e0c99d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0844cc34d96c91d58f695a89c1f2d0f6523c70135f8e3c5b388e3c2411410231",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-05-18T22:07:12Z",
    "title_canon_sha256": "76c50679d75214e1fa29669b336eff7240ef86586002552e410aeb11cffcab92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.05772",
    "kind": "arxiv",
    "version": 2
  }
}