Pith Number

pith:R5AZHWW7

pith:2011:R5AZHWW7BZFSIOXPERQSNIY25F

not attested not anchored not stored refs pending

The Solar Neighborhood. XXVI. AP Col: The Closest (8.4 pc) Pre-Main-Sequence Star

Adric R. Riedel, Carl Melis, John P. Subasavage, Simon J. Murphy, Todd J. Henry, Wei-Chun Jao

arxiv:1108.5318 v1 · 2011-08-26 · 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{R5AZHWW7BZFSIOXPERQSNIY25F}

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	2026-05-18T04:14:38.540854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f4193dadf0e4b243aef246126a31ae959ca2cc24ab6a0cb7af9e2fa6385dc6b

Aliases

arxiv: 1108.5318 · arxiv_version: 1108.5318v1 · doi: 10.48550/arxiv.1108.5318 · pith_short_12: R5AZHWW7BZFS · pith_short_16: R5AZHWW7BZFSIOXP · pith_short_8: R5AZHWW7

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/R5AZHWW7BZFSIOXPERQSNIY25F \
  | 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: 8f4193dadf0e4b243aef246126a31ae959ca2cc24ab6a0cb7af9e2fa6385dc6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a1705c7f219eaedf0e669e5d3e999df44ad2ea69a965e035c0a1ee5371851bf",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-08-26T14:53:02Z",
    "title_canon_sha256": "57095c439705483df8de3c91357ad1387671eef24efc26dbdbcecd92157997e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5318",
    "kind": "arxiv",
    "version": 1
  }
}