Pith Number

pith:YA5SQSQO

pith:2015:YA5SQSQO5HDA4PS5HGX3RMNO3I

not attested not anchored not stored refs pending

Decontaminating Swift UVOT Grism Observations of Transient Sources

Michael T. Smitka, Nicholas B. Suntzeff, Paul Kuin, Peter J. Brown

arxiv:1512.02638 v1 · 2015-12-08 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YA5SQSQO5HDA4PS5HGX3RMNO3I}

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	2026-05-18T01:16:16.881535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c03b284a0ee9c60e3e5d39afb8b1aeda23d5d4e7ed3c3a34470a1c5c3a7c41b6

Aliases

arxiv: 1512.02638 · arxiv_version: 1512.02638v1 · doi: 10.48550/arxiv.1512.02638 · pith_short_12: YA5SQSQO5HDA · pith_short_16: YA5SQSQO5HDA4PS5 · pith_short_8: YA5SQSQO

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/YA5SQSQO5HDA4PS5HGX3RMNO3I \
  | 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: c03b284a0ee9c60e3e5d39afb8b1aeda23d5d4e7ed3c3a34470a1c5c3a7c41b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfab0f125a6fe373c9e16ec47aab8c36ba6d726ec966bcb729ca1884052b7406",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-12-08T21:00:04Z",
    "title_canon_sha256": "ff7b3fae9a8dee4205157ff98622b8cd70661be8668234060de9e8eb0c30a858"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02638",
    "kind": "arxiv",
    "version": 1
  }
}