Pith Number

pith:P6V5456H

pith:2009:P6V5456HB6GWFK2CBOJN3QMN63

not attested not anchored not stored refs pending

The kinematics of NGC1333-IRAS2A - a true Class 0 protostar

C. Brinch, J. K. J{\o}rgensen, M. R. Hogerheijde

arxiv:0905.4575 v1 · 2009-05-28 · astro-ph.GA · 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{P6V5456HB6GWFK2CBOJN3QMN63}

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	2026-05-18T01:09:24.258951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fabde77c70f8d62ab420b92ddc18df6e3ce0710ea2e47a96e0498a779568128

Aliases

arxiv: 0905.4575 · arxiv_version: 0905.4575v1 · doi: 10.48550/arxiv.0905.4575 · pith_short_12: P6V5456HB6GW · pith_short_16: P6V5456HB6GWFK2C · pith_short_8: P6V5456H

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/P6V5456HB6GWFK2CBOJN3QMN63 \
  | 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: 7fabde77c70f8d62ab420b92ddc18df6e3ce0710ea2e47a96e0498a779568128

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdda4354a4edccd39ddc7e3f1e67ee88c20e90a6e69581851b187b487a698772",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-05-28T08:43:32Z",
    "title_canon_sha256": "5f745266d90a4b13bb36a879e3b8d18e41dae1ce5109b434725be8ed2e37ff02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4575",
    "kind": "arxiv",
    "version": 1
  }
}