Pith Number

pith:H2DWWA5F

pith:2011:H2DWWA5F5G6OSSA3YXKYRERT6O

not attested not anchored not stored refs pending

Chemical abundances in the protoplanetary disk LV2 (Orion) - II: High dispersion VLT observations and microjet properties

J. R. Walsh (ESO), Y. G. Tsamis

arxiv:1107.1531 v1 · 2011-07-07 · 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{H2DWWA5F5G6OSSA3YXKYRERT6O}

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	2026-05-18T04:09:27.013148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e876b03a5e9bce9481bc5d5889233f3b9d547938284c8668ef207db21f2b5a8

Aliases

arxiv: 1107.1531 · arxiv_version: 1107.1531v1 · doi: 10.48550/arxiv.1107.1531 · pith_short_12: H2DWWA5F5G6O · pith_short_16: H2DWWA5F5G6OSSA3 · pith_short_8: H2DWWA5F

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/H2DWWA5F5G6OSSA3YXKYRERT6O \
  | 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: 3e876b03a5e9bce9481bc5d5889233f3b9d547938284c8668ef207db21f2b5a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61baa7256a4e62eb6c1d5a841f873ad19e499891e1456958366e3a464f882650",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-07-07T22:02:49Z",
    "title_canon_sha256": "b9e32620ccab9b08b8ccbc074fb73441a7a70d6e058aceca1767821c9da8f2e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1531",
    "kind": "arxiv",
    "version": 1
  }
}