Pith Number

pith:U5BBSE2R

pith:2016:U5BBSE2RB4SUDGCMMUUXJGZQR4

not attested not anchored not stored refs pending

The IPAC Image Subtraction and Discovery Pipeline for the intermediate Palomar Transient Factory

Adam Miller, Carl Grillmair, David Shupe, Ed Jackson, Eran Ofek, Eric Bellm, Frank Masci (1), Gary Doran, George Helou, Jason Surace, Lin Yan, Lisa Storrie-Lombardi, Mansi Kasliwal, Russ Laher, S. Bradley Cenko, Shrinivas Kulkarni ((1) California Institute of Technology), Thomas Prince, Tom Barlow, Umaa Rebbapragada, Yi Cao

arxiv:1608.01733 v2 · 2016-08-05 · astro-ph.IM

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	2026-05-18T00:55:12.755443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7421913510f2541984c6529749b308f13c164ec2710c2263d29592bb8ebbaf5

Aliases

arxiv: 1608.01733 · arxiv_version: 1608.01733v2 · doi: 10.48550/arxiv.1608.01733 · pith_short_12: U5BBSE2RB4SU · pith_short_16: U5BBSE2RB4SUDGCM · pith_short_8: U5BBSE2R

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/U5BBSE2RB4SUDGCMMUUXJGZQR4 \
  | 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: a7421913510f2541984c6529749b308f13c164ec2710c2263d29592bb8ebbaf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40f26b280726ef7bf34a1215e73b4a866836a74960ecf7137ddcfd54b7e78bd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-08-05T01:12:55Z",
    "title_canon_sha256": "9d60e386db350bb7ba78758852407519ff78cc8f452355e62a3ba4e844d13617"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01733",
    "kind": "arxiv",
    "version": 2
  }
}