Pith Number

pith:3R7NU6H7

pith:2011:3R7NU6H7PKQK5J5K52IZ3P4CM5

not attested not anchored not stored refs pending

CASSIS: The Cornell Atlas of Spitzer/IRS Sources

D.J. Barry, D.W. Weedman, G.C. Sloan, H.W.W. Spoon, J. Bernard-Salas, J.R. Houck, V. Lebouteiller

arxiv:1108.3507 v1 · 2011-08-16 · astro-ph.IM · astro-ph.CO · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3R7NU6H7PKQK5J5K52IZ3P4CM5}

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	2026-05-18T02:00:52.787817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc7eda78ff7aa0aea7aaee919dbf826770f50958a89a0f86e1038639959200b2

Aliases

arxiv: 1108.3507 · arxiv_version: 1108.3507v1 · doi: 10.48550/arxiv.1108.3507 · pith_short_12: 3R7NU6H7PKQK · pith_short_16: 3R7NU6H7PKQK5J5K · pith_short_8: 3R7NU6H7

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/3R7NU6H7PKQK5J5K52IZ3P4CM5 \
  | 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: dc7eda78ff7aa0aea7aaee919dbf826770f50958a89a0f86e1038639959200b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5eaea3a3306977f52df4de2559518ef46dd15bb8516d2626e66523a058e4a39",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-08-16T11:17:15Z",
    "title_canon_sha256": "07aff9770a7725b2aa6cfc88c42f90014a20e3da6a66ef67bafe6d3bb9e7cf20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3507",
    "kind": "arxiv",
    "version": 1
  }
}