Pith Number

pith:BIQ7D7HA

pith:2016:BIQ7D7HAGJGPL3K767OGXGAYXW

not attested not anchored not stored refs pending

Coherent perfect absorption mediated enhancement and optical bistability in phase conjugation

Achanta Venu Gopal, K. Nireekshan Reddy, S. Dutta Gupta

arxiv:1611.06841 v2 · 2016-11-21 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BIQ7D7HAGJGPL3K767OGXGAYXW}

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	2026-05-18T00:56:37.456924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a21f1fce0324cf5ed5ff7dc6b9818bd897d583f18547b9b129ceb089f5b2bb2

Aliases

arxiv: 1611.06841 · arxiv_version: 1611.06841v2 · doi: 10.48550/arxiv.1611.06841 · pith_short_12: BIQ7D7HAGJGP · pith_short_16: BIQ7D7HAGJGPL3K7 · pith_short_8: BIQ7D7HA

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/BIQ7D7HAGJGPL3K767OGXGAYXW \
  | 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: 0a21f1fce0324cf5ed5ff7dc6b9818bd897d583f18547b9b129ceb089f5b2bb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec090e4c878f97c3af5bfe6a62557b3f5be23aa4a24366be595b57297528819c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-11-21T15:39:08Z",
    "title_canon_sha256": "c28bb13199666ec806217e5971ac61f4b867e0d9f90bab84f9fadf9538356a57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.06841",
    "kind": "arxiv",
    "version": 2
  }
}