Pith Number

pith:ESWHYPOF

pith:2014:ESWHYPOFY6FLKJ3EEIH7HF5AGG

not attested not anchored not stored refs pending

Observations of hydroxyl in early-type galaxies

(2) Infrared Processing, (3) Netherlands Institute for Radio Astronomy, 4) ((1) University of California, (4) New Mexico Tech), Analysis Center, Berkeley, California Institute of Technology, James McBride (1), Katherine Alatalo (2), Kristina Nyland (3

arxiv:1411.7409 v1 · 2014-11-26 · 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{ESWHYPOFY6FLKJ3EEIH7HF5AGG}

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	2026-05-18T01:41:25.498525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24ac7c3dc5c78ab52764220ff397a0319a5c8a46e8bdc2603d582e1cae4b0490

Aliases

arxiv: 1411.7409 · arxiv_version: 1411.7409v1 · doi: 10.48550/arxiv.1411.7409 · pith_short_12: ESWHYPOFY6FL · pith_short_16: ESWHYPOFY6FLKJ3E · pith_short_8: ESWHYPOF

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/ESWHYPOFY6FLKJ3EEIH7HF5AGG \
  | 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: 24ac7c3dc5c78ab52764220ff397a0319a5c8a46e8bdc2603d582e1cae4b0490

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f3c8d88a14f3d4c9f28a582cef7d004fcca8decfe815c50d1f8d5c972d12f62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-11-26T22:11:47Z",
    "title_canon_sha256": "d12346c7c43eeaf09118bad9af61d6e6fddf06d35986b54cd2bb7c4554afef2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.7409",
    "kind": "arxiv",
    "version": 1
  }
}