Pith Number

pith:SM2YWF5B

pith:2020:SM2YWF5B6AE4FQZO362VD5VYJO

not attested not anchored not stored refs pending

Evidence for magnetic activity at starbirth: a powerful X-ray flare from the Class 0 protostar HOPS 383

David Principe, GSFC), Joel Kastner (Center for Imaging Science, Kenji Hamaguchi (CRESST, Nicolas Grosso (LAM), RIT)

arxiv:2006.02676 v1 · 2020-06-04 · astro-ph.HE · 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{SM2YWF5B6AE4FQZO362VD5VYJO}

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	2026-07-05T01:12:48.237575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93358b17a1f009c2c32edfb551f6b84b85876b62b7b9f5b5c9a0f72b9a76a7bd

Aliases

arxiv: 2006.02676 · arxiv_version: 2006.02676v1 · doi: 10.48550/arxiv.2006.02676 · pith_short_12: SM2YWF5B6AE4 · pith_short_16: SM2YWF5B6AE4FQZO · pith_short_8: SM2YWF5B

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/SM2YWF5B6AE4FQZO362VD5VYJO \
  | 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: 93358b17a1f009c2c32edfb551f6b84b85876b62b7b9f5b5c9a0f72b9a76a7bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb7332cd19e1ee6f5546f8206b9831d4cd0211b5b621d66dc0ef1f1a442a5d96",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-06-04T07:45:58Z",
    "title_canon_sha256": "51ba6cb62e55490930ccb75a124fb48fe2d6830fb67eadbed843feb3a4b544f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.02676",
    "kind": "arxiv",
    "version": 1
  }
}