Pith Number

pith:R3YAOZ3M

pith:2019:R3YAOZ3MOWT742VI3CXNG3DWS2

not attested not anchored not stored refs pending

CALSPEC: WFC3 IR Grism Spectrophotometry

Ralph C. Bohlin, Susana E. Deustua

arxiv:1903.11985 v1 · 2019-03-28 · 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{R3YAOZ3MOWT742VI3CXNG3DWS2}

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	2026-05-17T23:49:58.464994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ef007676c75a7fe6aa8d8aed36c7696ad5e754ccf723726c14ba26883c1aec9

Aliases

arxiv: 1903.11985 · arxiv_version: 1903.11985v1 · doi: 10.48550/arxiv.1903.11985 · pith_short_12: R3YAOZ3MOWT7 · pith_short_16: R3YAOZ3MOWT742VI · pith_short_8: R3YAOZ3M

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/R3YAOZ3MOWT742VI3CXNG3DWS2 \
  | 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: 8ef007676c75a7fe6aa8d8aed36c7696ad5e754ccf723726c14ba26883c1aec9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1682a971ce250a0aa4941d85ee3a05aa5f0ff2ca9517e84e65b0c28b63d7fe20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-28T14:08:08Z",
    "title_canon_sha256": "ee6d4b460f51511fdac489025d74a1d518beb80fa13022a2117b2f7740f17f05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11985",
    "kind": "arxiv",
    "version": 1
  }
}