Pith Number

pith:6Q4S2W75

pith:2018:6Q4S2W75IW6IWJLEMHAGQWI2ZB

not attested not anchored not stored refs pending

Evolution of the Unidentified Infrared Bands in the Nucleus of the Starburst Galaxy NGC 1097

(2) IRFU, 3), CEA, CEA (3) AIM, CNRS (4) Department of Astronomy, Fr\'ed\'eric Galliano (2, Paris Observatory, Ronin Wu (1), Takashi Onaka (4) ((1) LERMA, The University of Tokyo)

arxiv:1801.10580 v1 · 2018-01-31 · 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{6Q4S2W75IW6IWJLEMHAGQWI2ZB}

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	2026-05-18T00:24:40.431334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4392d5bfd45bc8b256461c068591ac86eeae465b33806f776d1b0b7fbd337d2

Aliases

arxiv: 1801.10580 · arxiv_version: 1801.10580v1 · doi: 10.48550/arxiv.1801.10580 · pith_short_12: 6Q4S2W75IW6I · pith_short_16: 6Q4S2W75IW6IWJLE · pith_short_8: 6Q4S2W75

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/6Q4S2W75IW6IWJLEMHAGQWI2ZB \
  | 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: f4392d5bfd45bc8b256461c068591ac86eeae465b33806f776d1b0b7fbd337d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "070dceb8007fbabea231941919353e2439c4255ea8f0b19756a169e4f6803a17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-31T17:58:06Z",
    "title_canon_sha256": "30d6cc9d4c3051a588dddf6cfeb2365898ae9dd5d5c384fc5f9aa0dedc300712"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.10580",
    "kind": "arxiv",
    "version": 1
  }
}