Pith Number

pith:FFOC3IFY

pith:2017:FFOC3IFY3OOAYQTP7IKH6K5DP5

not attested not anchored not stored refs pending

The Lyman Alpha Reference Sample. VIII. Characterizing Lyman-Alpha Scattering in Nearby Galaxies

Alex Hagen, Caryl Gronwall, Daniel Kunth, Edmund Christian Herenz, G\"oran \"Ostlin, Hakim Atek, Jens Melinder, J. Miguel Mas-Hesse, Joanna S. Bridge, John M. Cannon, Lucia Guaita, Matthew Hayes, Max Gronke, Peter Laursen, Robin Ciardullo, Stephen A. Pardy

arxiv:1711.03123 v1 · 2017-11-08 · 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{FFOC3IFY3OOAYQTP7IKH6K5DP5}

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	2026-05-18T00:26:24.110770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

295c2da0b8db9c0c426ffa147f2ba37f5edd5d9ae438c04a45d657fb2612451b

Aliases

arxiv: 1711.03123 · arxiv_version: 1711.03123v1 · doi: 10.48550/arxiv.1711.03123 · pith_short_12: FFOC3IFY3OOA · pith_short_16: FFOC3IFY3OOAYQTP · pith_short_8: FFOC3IFY

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/FFOC3IFY3OOAYQTP7IKH6K5DP5 \
  | 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: 295c2da0b8db9c0c426ffa147f2ba37f5edd5d9ae438c04a45d657fb2612451b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6953ebb5172c676f1afb002bd13098f5e8939b91becf7853eb7ec55004fce70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-11-08T19:08:35Z",
    "title_canon_sha256": "f9b99ec0d1683c58bb470988f9405a844f63bf03db3a43b19d64aab9ce5891ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.03123",
    "kind": "arxiv",
    "version": 1
  }
}