Pith Number

pith:S6TTZDLF

pith:2019:S6TTZDLFUSYL4L6AY7QLDJJ2YI

not attested not anchored not stored refs pending

The Ionizing Photon Production Efficiency ($\xi_{ion}$) Of Lensed Dwarf Galaxies At $z \sim 2 $

Anahita Alavi, Brian Siana, Daniel P. Stark, Daniel R. Weisz, Johan Richard, Najmeh Emami, Timothy Gburek, William R. Freeman

arxiv:1912.06152 v2 · 2019-12-12 · 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{S6TTZDLFUSYL4L6AY7QLDJJ2YI}

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	2026-07-05T01:08:50.833962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97a73c8d65a4b0be2fc0c7e0b1a53ac21af20112c3fe7dcc86ff5b3911a43218

Aliases

arxiv: 1912.06152 · arxiv_version: 1912.06152v2 · doi: 10.48550/arxiv.1912.06152 · pith_short_12: S6TTZDLFUSYL · pith_short_16: S6TTZDLFUSYL4L6A · pith_short_8: S6TTZDLF

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/S6TTZDLFUSYL4L6AY7QLDJJ2YI \
  | 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: 97a73c8d65a4b0be2fc0c7e0b1a53ac21af20112c3fe7dcc86ff5b3911a43218

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f19cabfc80b4cd46fbbdd813a69bed2edcb1a6121f47a8f9a1a032f34d883f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-12-12T19:00:06Z",
    "title_canon_sha256": "752d2b1d34867215ad63ac1205689faa204a8f9e2f150cc79f99f235fe6bb3fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.06152",
    "kind": "arxiv",
    "version": 2
  }
}