Pith Number

pith:KPW5IC2I

pith:2018:KPW5IC2I3EHCXZHY7GF7ATQGWS

not attested not anchored not stored refs pending

Identification of the infrared counterpart of SGR 1935+2154 with the Hubble Space Telescope

Andrew J. Levan, Andrew S. Fruchter, Chryssa Kouveliotou

arxiv:1801.05497 v1 · 2018-01-16 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPW5IC2I3EHCXZHY7GF7ATQGWS}

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	2026-05-18T00:22:23.112621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53edd40b48d90e2be4f8f98bf04e06b4b16b9a42aebef51381409ce879c9ecd2

Aliases

arxiv: 1801.05497 · arxiv_version: 1801.05497v1 · doi: 10.48550/arxiv.1801.05497 · pith_short_12: KPW5IC2I3EHC · pith_short_16: KPW5IC2I3EHCXZHY · pith_short_8: KPW5IC2I

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/KPW5IC2I3EHCXZHY7GF7ATQGWS \
  | 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: 53edd40b48d90e2be4f8f98bf04e06b4b16b9a42aebef51381409ce879c9ecd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec51a8c4ea4843010c44fafbb9840d5bec22dcca30d5d6694f3afdf085bd6ae0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-01-16T22:19:55Z",
    "title_canon_sha256": "d63c80a146a4a16375fd95138300a74a2c20ec74042e12226723751fb83dace1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05497",
    "kind": "arxiv",
    "version": 1
  }
}