Pith Number

pith:Q4MZ7B4B

pith:2017:Q4MZ7B4BISORJEAKGZZR2YWCKG

not attested not anchored not stored refs pending

Circumstellar ammonia in oxygen-rich evolved stars

F. Wyrowski, J. H. Lacy, K. M. Menten, K. T. Wong, T. Kami\'nski, T. K. Greathouse

arxiv:1710.01027 v1 · 2017-10-03 · astro-ph.SR · 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{Q4MZ7B4BISORJEAKGZZR2YWCKG}

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	2026-05-18T00:17:42.812275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87199f8781449d14900a36731d62c25187f66d0dda742363275097aa6b3b3f86

Aliases

arxiv: 1710.01027 · arxiv_version: 1710.01027v1 · doi: 10.48550/arxiv.1710.01027 · pith_short_12: Q4MZ7B4BISOR · pith_short_16: Q4MZ7B4BISORJEAK · pith_short_8: Q4MZ7B4B

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/Q4MZ7B4BISORJEAKGZZR2YWCKG \
  | 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: 87199f8781449d14900a36731d62c25187f66d0dda742363275097aa6b3b3f86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9b5e98b286e5638a141f4c922b01bf7092c1773457d0e8e6cda313745d8e6e3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-10-03T08:32:32Z",
    "title_canon_sha256": "e192fc4918a63952e6e0e60b9b5dac7ed27ee2988417c87efca7bd7e68d8bf11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01027",
    "kind": "arxiv",
    "version": 1
  }
}