Pith Number

pith:HOKTFNRL

pith:2014:HOKTFNRL2UB7LZXSUMEXR5CSVS

not attested not anchored not stored refs pending

Caught in the act: Measuring the changes in the corona that cause the extreme variability of 1H 0707-495

A.C. Fabian, D.R. Wilkins, E. Kara, L.C. Gallo

arxiv:1406.6658 v1 · 2014-06-25 · astro-ph.HE

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

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	2026-05-18T01:42:50.327690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b9532b62bd503f5e6f2a30978f452acaa80d8e480ac6dea7a75e13f20f34faa

Aliases

arxiv: 1406.6658 · arxiv_version: 1406.6658v1 · doi: 10.48550/arxiv.1406.6658 · pith_short_12: HOKTFNRL2UB7 · pith_short_16: HOKTFNRL2UB7LZXS · pith_short_8: HOKTFNRL

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/HOKTFNRL2UB7LZXSUMEXR5CSVS \
  | 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: 3b9532b62bd503f5e6f2a30978f452acaa80d8e480ac6dea7a75e13f20f34faa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53059267558e918b5fe01575ef93c36e41a87618668ebeb50249f5fa36bcb27b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-06-25T18:18:30Z",
    "title_canon_sha256": "43f84492c13cdf3c9de87281581bad33877e325636f5d97fcb0acae662e8b101"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6658",
    "kind": "arxiv",
    "version": 1
  }
}