Pith Number

pith:UFMNUAEM

pith:2012:UFMNUAEMFK24SLDHVESAXSEI35

not attested not anchored not stored refs pending

Results from HOPS: A Multiwavelength Census of Orion Protostars

Amelia M. Stutz, Babar Ali, Elise Furlan, John J. Tobin, Mayra Osorio, S. Thomas Megeath, the HOPS team, Thomas Stanke, William J. Fischer

arxiv:1212.1160 v1 · 2012-12-05 · 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{UFMNUAEMFK24SLDHVESAXSEI35}

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	2026-05-18T01:52:47.282341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a158da008c2ab5c92c67a9240bc888df708d4fcdd8583c0610c96228285379a0

Aliases

arxiv: 1212.1160 · arxiv_version: 1212.1160v1 · doi: 10.48550/arxiv.1212.1160 · pith_short_12: UFMNUAEMFK24 · pith_short_16: UFMNUAEMFK24SLDH · pith_short_8: UFMNUAEM

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/UFMNUAEMFK24SLDHVESAXSEI35 \
  | 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: a158da008c2ab5c92c67a9240bc888df708d4fcdd8583c0610c96228285379a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a1cbdccd16e28e6244352cb78bf5b9a3f4ba07dcb72be0790d0f4960833c337",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-12-05T21:00:03Z",
    "title_canon_sha256": "f76d24d46f3f79d38c9d19617ffa363e056604a3857e9a2d205eb858dcc82e88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1160",
    "kind": "arxiv",
    "version": 1
  }
}