Pith Number

pith:HCOYORYA

pith:2013:HCOYORYAV2YSP4WIVNJ5FJOB7H

not attested not anchored not stored refs pending

Mining the VVV: star formation and embedded clusters

Esko Ukkonen, Lauri Haikala, Otto Solin

arxiv:1312.7673 v1 · 2013-12-30 · 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{HCOYORYAV2YSP4WIVNJ5FJOB7H}

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	2026-05-18T01:45:35.223428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

389d874700aeb127f2c8ab53d2a5c1f9ffb5ec26fbce76aac39beb1e15b5464b

Aliases

arxiv: 1312.7673 · arxiv_version: 1312.7673v1 · doi: 10.48550/arxiv.1312.7673 · pith_short_12: HCOYORYAV2YS · pith_short_16: HCOYORYAV2YSP4WI · pith_short_8: HCOYORYA

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/HCOYORYAV2YSP4WIVNJ5FJOB7H \
  | 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: 389d874700aeb127f2c8ab53d2a5c1f9ffb5ec26fbce76aac39beb1e15b5464b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf6e73c35294a33f4dcee66ba58210a70501d3673a3595b4f07c8ec2a0052e5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-12-30T10:46:11Z",
    "title_canon_sha256": "b9398bffa6fe9db106a16106120e272911c34db01d3125313a0fec6f11c2e486"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7673",
    "kind": "arxiv",
    "version": 1
  }
}