Pith Number

pith:VPCHMEER

pith:2013:VPCHMEERNG65CEHXWEZRV2WSHH

not attested not anchored not stored refs pending

HOPS 136: An Edge-On Orion Protostar Near the End of Envelope Infall

Amelia M. Stutz, Babar Ali, Charles A. Poteet, Dan M. Watson, Ian Remming, John J. Tobin, Lee Hartmann, Marina Kounkel, Mayra Osorio, P. Manoj, S. Thomas Megeath, Thomas Stanke, William J. Fischer

arxiv:1312.6121 v1 · 2013-12-20 · astro-ph.SR · 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{VPCHMEERNG65CEHXWEZRV2WSHH}

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	2026-05-18T01:45:43.097976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abc476109169bdd110f7b1331aead239ef5977458fb4078096986ce9283bea89

Aliases

arxiv: 1312.6121 · arxiv_version: 1312.6121v1 · doi: 10.48550/arxiv.1312.6121 · pith_short_12: VPCHMEERNG65 · pith_short_16: VPCHMEERNG65CEHX · pith_short_8: VPCHMEER

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/VPCHMEERNG65CEHXWEZRV2WSHH \
  | 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: abc476109169bdd110f7b1331aead239ef5977458fb4078096986ce9283bea89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c55e5bb5ed656b0a689de1f42650f6ce9c9645c8c826e1027a1aed03ec2df105",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-12-20T21:00:00Z",
    "title_canon_sha256": "e6db76a9cfab2b689b01422a4ba632f31317096fb75afa2cef0917a42d4be288"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6121",
    "kind": "arxiv",
    "version": 1
  }
}