Pith Number

pith:WOIOPD6D

pith:2011:WOIOPD6DVHPKFHGP7JY2YGGSDE

not attested not anchored not stored refs pending

The collimated outflows of the planetary nebula Hu1-2: proper motion and radial velocity measurements

A. Riera, L. F. Miranda, M. A. Guerrero, M. Blanco

arxiv:1112.5007 v1 · 2011-12-21 · 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{WOIOPD6DVHPKFHGP7JY2YGGSDE}

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	2026-05-18T01:59:04.048741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b390e78fc3a9dea29ccffa71ac18d219303ce7f0695d7110f85ea1038c8f7d8b

Aliases

arxiv: 1112.5007 · arxiv_version: 1112.5007v1 · doi: 10.48550/arxiv.1112.5007 · pith_short_12: WOIOPD6DVHPK · pith_short_16: WOIOPD6DVHPKFHGP · pith_short_8: WOIOPD6D

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/WOIOPD6DVHPKFHGP7JY2YGGSDE \
  | 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: b390e78fc3a9dea29ccffa71ac18d219303ce7f0695d7110f85ea1038c8f7d8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e09807a07ad17f294fd334eb7163329bc7b38598b90ef910d6180bf5035ec4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-12-21T12:36:54Z",
    "title_canon_sha256": "1c3ce0840d7885aa93379008343f2ec88473986878479a60551e7ff89f5ef2af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5007",
    "kind": "arxiv",
    "version": 1
  }
}