Pith Number

pith:MROUDFNF

pith:2018:MROUDFNFZ7PPVOP7SICZVVCVJ3

not attested not anchored not stored refs pending

Imaging Spectroscopy of Ionized Gaseous Nebulae around Optically Faint AGN at Redshift z ~ 2

Allison L. Strom, Charles C. Steidel, David R. Law, Gwen C. Rudie, Ryan F. Trainor, Yuguang Chen

arxiv:1809.04089 v1 · 2018-09-11 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MROUDFNFZ7PPVOP7SICZVVCVJ3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:00:50.257248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

645d4195a5cfdefab9ff92059ad4554ee801523257bc3c5d8d4fba7a66778381

Aliases

arxiv: 1809.04089 · arxiv_version: 1809.04089v1 · doi: 10.48550/arxiv.1809.04089 · pith_short_12: MROUDFNFZ7PP · pith_short_16: MROUDFNFZ7PPVOP7 · pith_short_8: MROUDFNF

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/MROUDFNFZ7PPVOP7SICZVVCVJ3 \
  | 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: 645d4195a5cfdefab9ff92059ad4554ee801523257bc3c5d8d4fba7a66778381

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f49b0e580483b3e17e58db55ee249c78c7f283c53bbb7bafb5c0f4fd2ae98165",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-11T18:03:15Z",
    "title_canon_sha256": "b9b8ca5c6b041faa4e1410ac63e6847b53caeac0e2c4120f0cfae4275c73b56e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04089",
    "kind": "arxiv",
    "version": 1
  }
}