Pith Number

pith:5B62PH6I

pith:2013:5B62PH6IBOGQPEV7OKBNBSJIAW

not attested not anchored not stored refs pending

A New Halpha Emission-Line Survey in the Orion Nebula Cluster

Bo Reipurth Andr\'as Pal, Elza Szegedi-Elek, Lajos G. Bal\'azs, M\'aria Kun, Mark Willman

arxiv:1308.1812 v1 · 2013-08-08 · 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{5B62PH6IBOGQPEV7OKBNBSJIAW}

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	2026-05-18T01:48:22.335188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e87da79fc80b8d0792bf7282d0c928058f42024c72eca3ba9541dd524d9fbf1d

Aliases

arxiv: 1308.1812 · arxiv_version: 1308.1812v1 · doi: 10.48550/arxiv.1308.1812 · pith_short_12: 5B62PH6IBOGQ · pith_short_16: 5B62PH6IBOGQPEV7 · pith_short_8: 5B62PH6I

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/5B62PH6IBOGQPEV7OKBNBSJIAW \
  | 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: e87da79fc80b8d0792bf7282d0c928058f42024c72eca3ba9541dd524d9fbf1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f7cacb350e41748e928ee23e8f31c3f4f2cccf257c542d2c58217484e978f19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-08T10:36:17Z",
    "title_canon_sha256": "dfa24d3bd5a1b30c6d4802485810719eef6261be8ca356ce5602efd6112f7975"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1812",
    "kind": "arxiv",
    "version": 1
  }
}