Pith Number

pith:DV433DVE

pith:2013:DV433DVES7XRSPZHWOTTRCBAXL

not attested not anchored not stored refs pending

Keck Adaptive Optics Observations of the Protostellar Disk around Radio Source I in the Orion Kleinmann-Low Nebula

Andrea M. Ghez, Andrea Stolte, Breann N. Sitarski, E. E. Becklin, Gaspard Duch\^ene, Hans Zinnecker, Jessica R. Lu, Mark R. Morris

arxiv:1304.1581 v1 · 2013-04-04 · 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{DV433DVES7XRSPZHWOTTRCBAXL}

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	2026-05-18T01:50:42.677232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d79bd8ea497ef193f27b3a7388820bac5f7bfb3bf397d94cf77ab79682ea583

Aliases

arxiv: 1304.1581 · arxiv_version: 1304.1581v1 · doi: 10.48550/arxiv.1304.1581 · pith_short_12: DV433DVES7XR · pith_short_16: DV433DVES7XRSPZH · pith_short_8: DV433DVE

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/DV433DVES7XRSPZHWOTTRCBAXL \
  | 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: 1d79bd8ea497ef193f27b3a7388820bac5f7bfb3bf397d94cf77ab79682ea583

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d719c9054835bd78f3a7b1c04073807b8c9d23cb7a8fc1afb6f4f5d959245280",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-04T23:00:05Z",
    "title_canon_sha256": "e1a567dee8a546963d36e456a32077521c766b8141678a2b59e13be835b4105b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1581",
    "kind": "arxiv",
    "version": 1
  }
}