Pith Number

pith:Y7ZNFGXB

pith:2015:Y7ZNFGXBWXBPCKQWA2LKR3XVUH

not attested not anchored not stored refs pending

SOFIA/EXES Observations of Water Absorption in the Protostar AFGL 2591 at High Spectral Resolution

A. C. A. Boogert, C. N. DeWitt, D. A. Neufeld, D. T. Jaffe, G. M. Harper, K. R. Kulas, M. E. McKelvey, M. J. Richter, Nick Indriolo, N. Ryde, W. Vacca

arxiv:1502.06611 v1 · 2015-02-23 · 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{Y7ZNFGXBWXBPCKQWA2LKR3XVUH}

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	2026-05-18T01:40:54.911900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7f2d29ae1b5c2f12a160696a8eef5a1cadbb8209683905ec8510155ad698f98

Aliases

arxiv: 1502.06611 · arxiv_version: 1502.06611v1 · doi: 10.48550/arxiv.1502.06611 · pith_short_12: Y7ZNFGXBWXBP · pith_short_16: Y7ZNFGXBWXBPCKQW · pith_short_8: Y7ZNFGXB

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/Y7ZNFGXBWXBPCKQWA2LKR3XVUH \
  | 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: c7f2d29ae1b5c2f12a160696a8eef5a1cadbb8209683905ec8510155ad698f98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97438809a18da3338f1feb5b8672eb6b81995f1c63b0a104d6d96b9dfb827e00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-23T21:00:12Z",
    "title_canon_sha256": "635aaafeda00801d7f47942495846e3cce8ead9545cf39b3cb60911c4dc36adc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06611",
    "kind": "arxiv",
    "version": 1
  }
}