Pith Number

pith:NUWM4RTG

pith:2013:NUWM4RTGO63WOGNQAAGKXKJU5D

not attested not anchored not stored refs pending

The curious morphology and orientation of Orion proplyd HST-10

John Bally, Marc Kassis, Mark R. Morris, Ralph Y. Shuping

arxiv:1311.1112 v1 · 2013-11-05 · astro-ph.GA

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T01:46:38.787230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d2cce466677b76719b0000caba934e8cfedff147d5af51acde20d785416110e

Aliases

arxiv: 1311.1112 · arxiv_version: 1311.1112v1 · doi: 10.48550/arxiv.1311.1112

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/NUWM4RTGO63WOGNQAAGKXKJU5D \
  | 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: 6d2cce466677b76719b0000caba934e8cfedff147d5af51acde20d785416110e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b74fbc01983a3b8bbc1a85803fe03148b04d110a05e87aad3859f5f028c33e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-11-05T16:49:03Z",
    "title_canon_sha256": "3707ff5b791c12bdd1810ba7a4df65ca90f1a288b55dbf6bbdefecc75f0a0162"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1112",
    "kind": "arxiv",
    "version": 1
  }
}