Pith Number

pith:VMMXGJ6W

pith:2016:VMMXGJ6W3263VKA2UBVSCHFD3U

not attested not anchored not stored refs pending

A new sample of X-ray selected narrow emission-line galaxies. II. Looking for True Seyfert 2

Estelle Pons, Mike G. Watson

arxiv:1608.01134 v1 · 2016-08-03 · astro-ph.HE · astro-ph.GA

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	2026-05-18T01:01:53.109739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab197327d6debdbaa81aa06b211ca3dd0d4a143613ce99dd8a0afcdfb7a7dd80

Aliases

arxiv: 1608.01134 · arxiv_version: 1608.01134v1 · doi: 10.48550/arxiv.1608.01134 · pith_short_12: VMMXGJ6W3263 · pith_short_16: VMMXGJ6W3263VKA2 · pith_short_8: VMMXGJ6W

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/VMMXGJ6W3263VKA2UBVSCHFD3U \
  | 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: ab197327d6debdbaa81aa06b211ca3dd0d4a143613ce99dd8a0afcdfb7a7dd80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21eb5d1b5696e763de76fd354af67382a08a1c247f1b32bbaab01779fd57c885",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-08-03T10:05:07Z",
    "title_canon_sha256": "9b82b769d2a14e4ebab5f927db866bc68c60cc8748791444bc7c13def8d71eeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01134",
    "kind": "arxiv",
    "version": 1
  }
}