Pith Number

pith:SGUYAFFK

pith:2018:SGUYAFFKLWZH5KYEDN64YEDMVB

not attested not anchored not stored refs pending

The CIDA Variability Survey of Orion OB1 II: demographics of the young, low-mass stellar populations

Alice Perez-Blanco, Anna K. Vivas, Catherine Espaillat, Cecilia Mateu, Cesar Briceno, Jaqueline Loerincs, Jesus Hernandez, John Bailey III, Juan Jose Downes, Lee Hartmann, Lori Allen, Mario Mateo, Nuria Calvet, Perry Berlind

arxiv:1805.01008 v1 · 2018-05-02 · 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{SGUYAFFKLWZH5KYEDN64YEDMVB}

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	2026-05-18T00:16:52.903767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91a98014aa5db27eab041b7dcc106ca84063e031826d37fbd02de0892a41bc45

Aliases

arxiv: 1805.01008 · arxiv_version: 1805.01008v1 · doi: 10.48550/arxiv.1805.01008 · pith_short_12: SGUYAFFKLWZH · pith_short_16: SGUYAFFKLWZH5KYE · pith_short_8: SGUYAFFK

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/SGUYAFFKLWZH5KYEDN64YEDMVB \
  | 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: 91a98014aa5db27eab041b7dcc106ca84063e031826d37fbd02de0892a41bc45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a1b6ad0f68a3c005090e92ac8fdf24e56b3e079bb09623521946fe4aa8e0d54",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-02T20:33:48Z",
    "title_canon_sha256": "dec7ee76fbf18b42b368ac5d630416ab234f4f9663bcc88d97aacd86f1023ebb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01008",
    "kind": "arxiv",
    "version": 1
  }
}