Pith Number

pith:SCBLR6JY

pith:2018:SCBLR6JY3KMRE4OIZI6VJHMTAF

not attested not anchored not stored refs pending

Spitzer Infrared Spectrograph Observations of the Galactic Center: Quantifying the Extreme Ultraviolet/so ft X-ray fluxes

Janet P. Simpson

arxiv:1803.02806 v3 · 2018-03-07 · 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{SCBLR6JY3KMRE4OIZI6VJHMTAF}

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	2026-05-17T23:55:59.343136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9082b8f938da991271c8ca3d549d9301436eee770f5e76f33cdff6fc5ba71756

Aliases

arxiv: 1803.02806 · arxiv_version: 1803.02806v3 · doi: 10.48550/arxiv.1803.02806 · pith_short_12: SCBLR6JY3KMR · pith_short_16: SCBLR6JY3KMRE4OI · pith_short_8: SCBLR6JY

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/SCBLR6JY3KMRE4OIZI6VJHMTAF \
  | 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: 9082b8f938da991271c8ca3d549d9301436eee770f5e76f33cdff6fc5ba71756

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b8fef4b2c71d2df302673e4f12d711cc63518da4b2093cc37f5c10bc866ed44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-07T18:33:45Z",
    "title_canon_sha256": "dc6e08be640e77795e569b7b8215a41f608f43c849734da22e7ce26fc8a6e633"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02806",
    "kind": "arxiv",
    "version": 3
  }
}