Pith Number

pith:4OZDG2QQ

pith:2020:4OZDG2QQQIGI55X5T226OLO4CK

not attested not anchored not stored refs pending

An ALMA survey of $\lambda$ Orionis disks: from supernovae to planet formation

Alvaro Hacar, Andrew Winter, Carlo F. Manara, Eugene Chiang, Ewine F. van Dishoeck, Jonathan P. Williams, Megan Ansdell, Nienke van der Marel, Sierk van Terwisga, Stefano Facchini, Thomas J. Haworth

arxiv:2010.00012 v1 · 2020-09-30 · astro-ph.SR · astro-ph.EP · 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{4OZDG2QQQIGI55X5T226OLO4CK}

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	2026-07-05T01:50:34.926508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3b2336a10820c8ef6fd9eb5e72ddc12bf8c4d641fe81a1a1fcc94da43453d58

Aliases

arxiv: 2010.00012 · arxiv_version: 2010.00012v1 · doi: 10.48550/arxiv.2010.00012 · pith_short_12: 4OZDG2QQQIGI · pith_short_16: 4OZDG2QQQIGI55X5 · pith_short_8: 4OZDG2QQ

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/4OZDG2QQQIGI55X5T226OLO4CK \
  | 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: e3b2336a10820c8ef6fd9eb5e72ddc12bf8c4d641fe81a1a1fcc94da43453d58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a427ec47fc901b1be17cf97f52be1bc557cfe319abf30c09e918c4cac8ba487",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-09-30T18:00:01Z",
    "title_canon_sha256": "7d8801c25556f86164014995c0471702facbc70f896f33f2a6707e6f67b49688"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.00012",
    "kind": "arxiv",
    "version": 1
  }
}