Pith Number

pith:WCK2UP2U

pith:2011:WCK2UP2U22P6RW6KNRHAGRU5LK

not attested not anchored not stored refs pending

Herschel observations of the Herbig-Haro objects HH52-54

A.O.H Olofsson, B. Larsson, B. Nisini, C. McCoey, G. Herczeg, K. Justtanont, M. Benedettini, M. Olberg, M. Tafalla, O. Dionatos, P. Bergman, P. Bjerkeli, R. Liseau, T. Giannini

arxiv:1106.5440 v1 · 2011-06-27 · 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{WCK2UP2U22P6RW6KNRHAGRU5LK}

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	2026-05-18T02:01:30.340039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b095aa3f54d69fe8dbca6c4e03469d5aaa42d15f307cc7ff8d267df1496e6be9

Aliases

arxiv: 1106.5440 · arxiv_version: 1106.5440v1 · doi: 10.48550/arxiv.1106.5440 · pith_short_12: WCK2UP2U22P6 · pith_short_16: WCK2UP2U22P6RW6K · pith_short_8: WCK2UP2U

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/WCK2UP2U22P6RW6KNRHAGRU5LK \
  | 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: b095aa3f54d69fe8dbca6c4e03469d5aaa42d15f307cc7ff8d267df1496e6be9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b665864c99666f39fe54b4166fd1660c8e86c54f92d9771bfc5448c3b07507d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-06-27T16:49:51Z",
    "title_canon_sha256": "91d1159a1c36fa4eb6cedac71ea1cf731525409726d421fea3831db134e10040"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5440",
    "kind": "arxiv",
    "version": 1
  }
}