Pith Number

pith:OBGRDQS3

pith:2013:OBGRDQS3DYELVTJASF25DGVBMG

not attested not anchored not stored refs pending

Near-infrared Variability among YSOs in the Star Formation Region Cygnus OB7

((2) Institute for Astronomy, Colin A. Aspin (2) ((1) Harvard-Smithsonian Center for Astrophysics), Scott J. Wolk (1), Thomas S. Rice (1), University of Hawaii)

arxiv:1306.2326 v1 · 2013-06-10 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OBGRDQS3DYELVTJASF25DGVBMG}

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	2026-05-18T01:49:24.039340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

704d11c25b1e08bacd209175d19aa161b3fe75bcea4335f1300a908f99d6110a

Aliases

arxiv: 1306.2326 · arxiv_version: 1306.2326v1 · doi: 10.48550/arxiv.1306.2326 · pith_short_12: OBGRDQS3DYEL · pith_short_16: OBGRDQS3DYELVTJA · pith_short_8: OBGRDQS3

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/OBGRDQS3DYELVTJASF25DGVBMG \
  | 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: 704d11c25b1e08bacd209175d19aa161b3fe75bcea4335f1300a908f99d6110a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "069c6f49912b8750af4595a659d67f855b03a2222dffd1fed14b21b6d09dae29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-06-10T20:01:07Z",
    "title_canon_sha256": "d6bc6a06ad845d37482de16323ecc82cbed64b45bced35d7de2f1c31f8476ea5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2326",
    "kind": "arxiv",
    "version": 1
  }
}